//here is the code to create such a console program
//save it as "WeatherDataManager.java"
//compile it using JDK 7
//command javac WeatherDataManager.java
import java.util.Scanner;
import java.util.InputMismatchException;
public class WeatherDataManager
{
public WeatherDataManager(){ //constructor
city = new String[N];
highTemp = new int[N];
lowTemp = new int[N];
humidity = new int[N];
//city=this.initCities(city);
/* highTemp = new int[N];
lowTemp = new int[N];
humidity = new int[N];
*/ }
public void displayMenu(){ //to display the menu bar and ask the user for the entering the option
int option = 0;
String etc="";
while(true){ //works infinitely until user donot enter "7" to exit the system
System.out.printf("\n\n%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*-----------------!! WEATHER DATA MANAGER !!----------------*\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf(
"%10s*************************************************************\n",etc);
System.out.printf("%10s*\t1. Input Data%41s*\n",etc,etc);
System.out.printf("%10s*\t2. Display Data%39s*\n",etc,etc);
System.out.printf("%10s*\t3. Sort by City%39s*\n",etc,etc);
System.out.printf("%10s*\t4. Sort by low temperature%28s*\n",etc,etc);
System.out.printf("%10s*\t5. Search%45s*\n",etc,etc);
System.out.printf("%10s*\t6. Display extreme temperature%24s*\n",etc,etc);
System.out.printf("%10s*\t7. Exit%47s*\n",etc,etc);
System.out.printf("%10s*\tEnter Option 1-7 : ",etc);
option = this.getIntValue("!! Enter Option ",1,7,10);
switch(option){
case 1:
inputData(); //take input from the user
break;
case 2:
displayData(this.city, this.lowTemp, this.highTemp, this.humidity,NORMAL);
break;
case 3:
sortByCity(this.city);
break;
case 4:
sortByLowTemp(this.lowTemp);
break;
case 5:
search();
break;
case 6:
displayExtremes();
break;
case 7:
System.exit(0);
break;
default:
System.out.println("Invalid Option Entered. Please Enter Correct Option.");
}
}
}
public void inputData(){ //to get the data from the user regarding the cities of Australia
String etc="";
String temp = "";
for(int i=0;i<city.length;i++){
System.out.printf("%5s***********************************************************************\n",etc);
System.out.printf("%5s*%30sCITY %d%33s*\n",etc,etc,(i+1),etc);
System.out.printf("%5s*%30s======%33s*",etc,etc,etc);
System.out.printf("\n%5s*%5s- - Please Enter Information about City %d- - \n%5s*%5sCity Name : ",etc,etc,(i+1),etc,etc);
city[i]="";
while(city[i].equals("")){
city[i] = s.nextLine(); //get the name of city
if(city[i].equals("")){
System.out.printf("%5s*%5sCity Name : ",etc,etc);
}
}
System.out.printf("%5s*%5sPlease Enter Low Temperature of city %d range:-20 to 20!! : ",etc,etc,(i+1));
//inputting low temperature
lowTemp[i] = getIntValue("!! Please Enter Low Temperature ",-20,20,5);
System.out.printf("%5s*%5sPlease Enter High Temperature of city %d range:%d to 60!! : ",etc,etc,(i+1),((lowTemp[i]>-1)?lowTemp[i]+1:0));
//inputting high temperature
highTemp[i]=getIntValue("!! Please Enter High Temperate ",((lowTemp[i]>-1)?lowTemp[i]+1:0),60,5);
System.out.printf("%5s*%5sPlease Enter the Humidity of city %d range : 10%% to 100%% : ",etc,etc,(i+1));
humidity[i]=getIntValue("!! Please Enter the Humidity ",10,100,5);
}
System.out.printf("%5s***********************************************************************\n",etc);
check = true;
System.out.printf("%5s*%20s%3d cities data entered%26s*\n",etc,etc,N,etc);
System.out.printf("%5s***********************************************************************\n",etc);
this.waitForKeyPress();
}
public void displayData(String[] city, int[] lowTemp, int[] highTemp, int[] humidity,int SORTACC){ //used to display the data sorted according to the parameter 'SORTACC'
//'SORTACC' can be CITY, LOW_TEMP i.e will get sorted according city, lowTemp . Can also display data normal if the last
//argument is 'NORMAL', city - array of cities, lowTemp - array of low temperature, highTemp - array of high Temperature
//humidity - array of humidity,
if(check==true){
String etc="";
System.out.printf(
"%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*%11s!!AUSTRALIA CITY WEATHER CONDITION !!%11s*\n",etc,etc,etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*************************************************************\n",etc);
String cn = "City Name";
String lht = "Low/High Temperature";
String hmd = "Humidity";
System.out.printf("%10s*%-21s%s%18s*\n",etc,cn,lht,hmd);
System.out.printf("%10s*************************************************************\n",etc);
int k=0;
//for my logic when their are two or more equal elements
//for keeping the check on which data row has been printed
int[] a= new int[city.length];
for(int i=0;i<a.length;i++){
a[i]=0;
}
for(int i=0;i<city.length;i++){
if(SORTACC==CITY){
for(int j=0;j<city.length;j++){
if(city[i].equals(this.city[j])){
k=j;
if(a[k]==0){
a[k]=1;
break;
}
}
}
}else if(SORTACC==LOW_TEMP){
for(int j=0;j<city.length;j++){
if(lowTemp[i]==this.lowTemp[j]){
k=j;
if(a[k]==0){
a[k]=1;
break;
}
}
}
}else if(SORTACC==NORMAL){
}
System.out.printf("%10s* %-20s%8d/%-14d%13d%% *\n",etc,this.city[k],this.lowTemp[k],this.highTemp[k],this.humidity[k]);k++;
}
System.out.printf("%10s*************************************************************\n",etc);
System.out.printf("%10s* Total " +N+" results !\n",etc);
}else{
this.showNoDataEnteredError();
}
this.waitForKeyPress();
}
public void sortByCity(String[] city){ //sort the cities in ascending order and diplay them
if(check==true){
String[] city_ = new String[N];
int i=0;
for(String s : city){
city_[i]=s;
i++;
}
sort(city_);
this.displayData(city_,lowTemp,highTemp,humidity,this.CITY);
}else{
this.showNoDataEnteredError();
this.waitForKeyPress();
}
}
public void sortByLowTemp(int[] lowTemp){ //sort the cities according to their low temperature and display them accordingly
if(check==true){
int[] lowTemp_ = new int[N];
for(int i=0;i<lowTemp.length;i++){
lowTemp_[i] = lowTemp[i];
}
sort(lowTemp_);
this.displayData(city,lowTemp_,highTemp,humidity,LOW_TEMP);
}else{
this.showNoDataEnteredError();
this.waitForKeyPress();
}
}
public void search(){ //let the user to search the city and display information about that city
if(check==true){
String etc="";
String city_="";
while(city_.equals("")){
System.out.printf("%10s*%5sPlease Enter City Name : ",etc,etc);
city_ = s.nextLine(); //get the name of city
}
this.showCityInfo(city_);
}else{
this.showNoDataEnteredError();
}
this.waitForKeyPress();
}
public void displayExtremes(){ //it displays the least temperature city and maximum temperature city information
if(check==true){
String etc="";
int lowInd;
int highInd;
lowInd=this.getLowestTempIndex();
highInd=this.getHighestTempIndex();
System.out.printf("%3s*************************************************************************\n",etc);
System.out.printf("%3s*%71s*\n",etc,etc);
System.out.printf("%3s* The Minimum Low temperature city is :%13s,%d celcius degree *\n",etc,city[lowInd],lowTemp[lowInd]);
System.out.printf("%3s* The Mazimum hign temperature city is:%13s,%d celcius degree *\n",etc,city[highInd],highTemp[highInd]);
System.out.printf("%3s*%71s*\n",etc,etc);
System.out.printf("%3s*************************************************************************\n",etc);
}else{
this.showNoDataEnteredError();
}
this.waitForKeyPress();
}
//helper methods
private void showNoDataEnteredError(){ //used to show error if no data entered
String etc="";
String error="!! NO DATA ENTERED !!";
System.out.printf( "%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*%39s%20s*\n",etc,error,etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf( "%10s*************************************************************\n",etc);
}
private int getLowestTempIndex(){ //return the index of city which have lowest temperature
int low=40;
int index=-1;
for(int i=0;i<lowTemp.length;i++){
if(low>lowTemp[i])
{
low=lowTemp[i];
index=i;
}
}
return index;
}
private int getHighestTempIndex(){ //return the index of city which have highest temperature
int high=0;
int index=-1;
for(int i=0;i<highTemp.length;i++){
if(high<highTemp[i])
{
high=highTemp[i];
index=i;
}
}
return index;
}
private int getIntValue(String error,int low, int high,int fs){ //used to get the integer input from the user,
//also displays messages on wrong input and let user enter data in correct format fs - first space
// error - a message, low - lowest range, high- highest range, fs - first space (space at the beginnig of message)
int option;
while(true){
String etc=""; //just used in displaying the data to set the format
try{
//get option value right over here
String temp = "";
while(temp.equals("")){ //works until user will not give some input other than newline (enter)
temp = s.nextLine(); //will store the input in temp
if(temp.equals("")){
String n="%"+fs+"s*%5s%s %d to %d :";
System.out.printf(n,etc,etc,error,low,high);
}
}
//this scanner object is created to handle the extra information which user enters during option value, like 1 3 4 slk fjlksf j" only "1" will be accepted rest will be skipped
s1 = new Scanner(temp);
option = Integer.parseInt(s1.next());
s1 = null;
if(option<low||option>high){ //if option is out of range i.e. not (low - high) again ask for input with a message
String n = "%"+fs+"s*%5s%s in range :%d to %d : ";
System.out.printf(n,etc,etc,error,low,high);
continue;
}
return option;
//break; //if user enter correct input than this loop will break and control moves to swtich statement
}catch(InputMismatchException e){
String n = "%"+fs+"s*%5s%s in Number Format";
System.out.printf(n,etc,etc,error);
option=0;
}catch(NumberFormatException e){
String n = "%"+fs+"s*%5s%s in Integer/Number Format : ";
System.out.printf(n,etc,etc,error);
option=0;
}
}
}
private void showCityInfo(String city_){ //show the information about the city - city_, if stored in the data, otherwise error - city not found
int i=-1;
for(int j=0;j<this.city.length;j++){
if(city_.equals(this.city[j])){
i=j;
String etc="";
System.out.printf("%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*%12s - LOW/HIGH Temperature: %3d/%-3d Humidity: %3d*\n",etc,city[i],lowTemp[i], highTemp[i], humidity[i]);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*************************************************************\n",etc);
}
}
if(i==-1){
String etc="";
System.out.printf("%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*%20sCITY NOT FOUND%25s*\n",etc,etc,etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*************************************************************\n",etc);
}
}
private void waitForKeyPress(){ //displays "press enter to continue" and let the user to press the enter key, (implemented to pause the result)
String etc="";
System.out.printf("%10s*%15sPress Enter to continue :%19s*",etc,etc,etc);
s.nextLine();
}
private void sort(String[] s){ //sort the array of string in ascending order
for(int i=0;i<s.length;i++){
for(int j=0;j<s.length-1-i;j++){
if(s[j].compareTo(s[j+1])>0){
String temp = s[j];
s[j]=s[j+1];
s[j+1] = temp;
}
}
}
}
private void sort(int[] s){ //sort the array of int in ascending order
for(int i=0;i<s.length;i++){
for(int j=0;j<s.length-1-i;j++){
if(s[j]>s[j+1]){
int temp = s[j];
s[j]=s[j+1];
s[j+1] = temp;
}
}
}
}
//for testing
private String[] initCities(String[] city){ //initialize the all the city names, their respective low and high temperatures and humidity
city=new String[N];
check=true;
city[0]="Brisbane"; this.lowTemp[0]=15;this.highTemp[0]=21;this.humidity[0]=65;
city[1]="Adelaide"; lowTemp[1]=17;highTemp[1]=22;humidity[1]=55;
city[2]="Canberra";lowTemp[2]=11;highTemp[2]=17;humidity[2]=69;
city[3]="Newcastle";lowTemp[3]=15;highTemp[3]=19;humidity[3]=69;
city[4]="ROckhampton";lowTemp[4]=8;highTemp[4]=29;humidity[4]=59;
city[5]="Melbourne";lowTemp[5]=15;highTemp[5]=17;humidity[5]=77;
city[6]="Townsville";lowTemp[6]=20;highTemp[6]=39;humidity[6]=68;
city[7]="Australian City";lowTemp[7]=19;highTemp[7]=20;humidity[7]=99;
return city;
}
public static void main(String [ ] args){ //execution of program starts from here
WeatherDataManager wdm = new WeatherDataManager(); //creating object of the Class 'WeatherDataManager'
wdm.displayMenu(); //call to the method which displays the menu screen
}
private boolean check = false; //used to check whether the data is entered or not, true means entered, false means not entered
private final int N = 8; //total no of cities
public static Scanner s = new Scanner(System.in); //for getting input from the keyboard
public static Scanner s1; //for handling input entered from the keyboard
private String[] city; //for the city names
private int[] lowTemp; //for the low temperature -20 to 20
private int[] highTemp; //for high temperature 0 to 60
private int[] humidity; //for the humidity (10% - 100%)
//used as option for sorting accordingly
public final int CITY = 0; //used
public final int LOW_TEMP=1; //used
public final int HIGH_TEMP=2; //not used
public final int HUMIDITY=3; //not used
public final int NORMAL=4; //used
}
OUTPUT:import java.util.InputMismatchException;
public class WeatherDataManager
{
public WeatherDataManager(){ //constructor
city = new String[N];
highTemp = new int[N];
lowTemp = new int[N];
humidity = new int[N];
//city=this.initCities(city);
/* highTemp = new int[N];
lowTemp = new int[N];
humidity = new int[N];
*/ }
public void displayMenu(){ //to display the menu bar and ask the user for the entering the option
int option = 0;
String etc="";
while(true){ //works infinitely until user donot enter "7" to exit the system
System.out.printf("\n\n%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*-----------------!! WEATHER DATA MANAGER !!----------------*\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf(
"%10s*************************************************************\n",etc);
System.out.printf("%10s*\t1. Input Data%41s*\n",etc,etc);
System.out.printf("%10s*\t2. Display Data%39s*\n",etc,etc);
System.out.printf("%10s*\t3. Sort by City%39s*\n",etc,etc);
System.out.printf("%10s*\t4. Sort by low temperature%28s*\n",etc,etc);
System.out.printf("%10s*\t5. Search%45s*\n",etc,etc);
System.out.printf("%10s*\t6. Display extreme temperature%24s*\n",etc,etc);
System.out.printf("%10s*\t7. Exit%47s*\n",etc,etc);
System.out.printf("%10s*\tEnter Option 1-7 : ",etc);
option = this.getIntValue("!! Enter Option ",1,7,10);
switch(option){
case 1:
inputData(); //take input from the user
break;
case 2:
displayData(this.city, this.lowTemp, this.highTemp, this.humidity,NORMAL);
break;
case 3:
sortByCity(this.city);
break;
case 4:
sortByLowTemp(this.lowTemp);
break;
case 5:
search();
break;
case 6:
displayExtremes();
break;
case 7:
System.exit(0);
break;
default:
System.out.println("Invalid Option Entered. Please Enter Correct Option.");
}
}
}
public void inputData(){ //to get the data from the user regarding the cities of Australia
String etc="";
String temp = "";
for(int i=0;i<city.length;i++){
System.out.printf("%5s***********************************************************************\n",etc);
System.out.printf("%5s*%30sCITY %d%33s*\n",etc,etc,(i+1),etc);
System.out.printf("%5s*%30s======%33s*",etc,etc,etc);
System.out.printf("\n%5s*%5s- - Please Enter Information about City %d- - \n%5s*%5sCity Name : ",etc,etc,(i+1),etc,etc);
city[i]="";
while(city[i].equals("")){
city[i] = s.nextLine(); //get the name of city
if(city[i].equals("")){
System.out.printf("%5s*%5sCity Name : ",etc,etc);
}
}
System.out.printf("%5s*%5sPlease Enter Low Temperature of city %d range:-20 to 20!! : ",etc,etc,(i+1));
//inputting low temperature
lowTemp[i] = getIntValue("!! Please Enter Low Temperature ",-20,20,5);
System.out.printf("%5s*%5sPlease Enter High Temperature of city %d range:%d to 60!! : ",etc,etc,(i+1),((lowTemp[i]>-1)?lowTemp[i]+1:0));
//inputting high temperature
highTemp[i]=getIntValue("!! Please Enter High Temperate ",((lowTemp[i]>-1)?lowTemp[i]+1:0),60,5);
System.out.printf("%5s*%5sPlease Enter the Humidity of city %d range : 10%% to 100%% : ",etc,etc,(i+1));
humidity[i]=getIntValue("!! Please Enter the Humidity ",10,100,5);
}
System.out.printf("%5s***********************************************************************\n",etc);
check = true;
System.out.printf("%5s*%20s%3d cities data entered%26s*\n",etc,etc,N,etc);
System.out.printf("%5s***********************************************************************\n",etc);
this.waitForKeyPress();
}
public void displayData(String[] city, int[] lowTemp, int[] highTemp, int[] humidity,int SORTACC){ //used to display the data sorted according to the parameter 'SORTACC'
//'SORTACC' can be CITY, LOW_TEMP i.e will get sorted according city, lowTemp . Can also display data normal if the last
//argument is 'NORMAL', city - array of cities, lowTemp - array of low temperature, highTemp - array of high Temperature
//humidity - array of humidity,
if(check==true){
String etc="";
System.out.printf(
"%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*%11s!!AUSTRALIA CITY WEATHER CONDITION !!%11s*\n",etc,etc,etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*************************************************************\n",etc);
String cn = "City Name";
String lht = "Low/High Temperature";
String hmd = "Humidity";
System.out.printf("%10s*%-21s%s%18s*\n",etc,cn,lht,hmd);
System.out.printf("%10s*************************************************************\n",etc);
int k=0;
//for my logic when their are two or more equal elements
//for keeping the check on which data row has been printed
int[] a= new int[city.length];
for(int i=0;i<a.length;i++){
a[i]=0;
}
for(int i=0;i<city.length;i++){
if(SORTACC==CITY){
for(int j=0;j<city.length;j++){
if(city[i].equals(this.city[j])){
k=j;
if(a[k]==0){
a[k]=1;
break;
}
}
}
}else if(SORTACC==LOW_TEMP){
for(int j=0;j<city.length;j++){
if(lowTemp[i]==this.lowTemp[j]){
k=j;
if(a[k]==0){
a[k]=1;
break;
}
}
}
}else if(SORTACC==NORMAL){
}
System.out.printf("%10s* %-20s%8d/%-14d%13d%% *\n",etc,this.city[k],this.lowTemp[k],this.highTemp[k],this.humidity[k]);k++;
}
System.out.printf("%10s*************************************************************\n",etc);
System.out.printf("%10s* Total " +N+" results !\n",etc);
}else{
this.showNoDataEnteredError();
}
this.waitForKeyPress();
}
public void sortByCity(String[] city){ //sort the cities in ascending order and diplay them
if(check==true){
String[] city_ = new String[N];
int i=0;
for(String s : city){
city_[i]=s;
i++;
}
sort(city_);
this.displayData(city_,lowTemp,highTemp,humidity,this.CITY);
}else{
this.showNoDataEnteredError();
this.waitForKeyPress();
}
}
public void sortByLowTemp(int[] lowTemp){ //sort the cities according to their low temperature and display them accordingly
if(check==true){
int[] lowTemp_ = new int[N];
for(int i=0;i<lowTemp.length;i++){
lowTemp_[i] = lowTemp[i];
}
sort(lowTemp_);
this.displayData(city,lowTemp_,highTemp,humidity,LOW_TEMP);
}else{
this.showNoDataEnteredError();
this.waitForKeyPress();
}
}
public void search(){ //let the user to search the city and display information about that city
if(check==true){
String etc="";
String city_="";
while(city_.equals("")){
System.out.printf("%10s*%5sPlease Enter City Name : ",etc,etc);
city_ = s.nextLine(); //get the name of city
}
this.showCityInfo(city_);
}else{
this.showNoDataEnteredError();
}
this.waitForKeyPress();
}
public void displayExtremes(){ //it displays the least temperature city and maximum temperature city information
if(check==true){
String etc="";
int lowInd;
int highInd;
lowInd=this.getLowestTempIndex();
highInd=this.getHighestTempIndex();
System.out.printf("%3s*************************************************************************\n",etc);
System.out.printf("%3s*%71s*\n",etc,etc);
System.out.printf("%3s* The Minimum Low temperature city is :%13s,%d celcius degree *\n",etc,city[lowInd],lowTemp[lowInd]);
System.out.printf("%3s* The Mazimum hign temperature city is:%13s,%d celcius degree *\n",etc,city[highInd],highTemp[highInd]);
System.out.printf("%3s*%71s*\n",etc,etc);
System.out.printf("%3s*************************************************************************\n",etc);
}else{
this.showNoDataEnteredError();
}
this.waitForKeyPress();
}
//helper methods
private void showNoDataEnteredError(){ //used to show error if no data entered
String etc="";
String error="!! NO DATA ENTERED !!";
System.out.printf( "%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*%39s%20s*\n",etc,error,etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf( "%10s*************************************************************\n",etc);
}
private int getLowestTempIndex(){ //return the index of city which have lowest temperature
int low=40;
int index=-1;
for(int i=0;i<lowTemp.length;i++){
if(low>lowTemp[i])
{
low=lowTemp[i];
index=i;
}
}
return index;
}
private int getHighestTempIndex(){ //return the index of city which have highest temperature
int high=0;
int index=-1;
for(int i=0;i<highTemp.length;i++){
if(high<highTemp[i])
{
high=highTemp[i];
index=i;
}
}
return index;
}
private int getIntValue(String error,int low, int high,int fs){ //used to get the integer input from the user,
//also displays messages on wrong input and let user enter data in correct format fs - first space
// error - a message, low - lowest range, high- highest range, fs - first space (space at the beginnig of message)
int option;
while(true){
String etc=""; //just used in displaying the data to set the format
try{
//get option value right over here
String temp = "";
while(temp.equals("")){ //works until user will not give some input other than newline (enter)
temp = s.nextLine(); //will store the input in temp
if(temp.equals("")){
String n="%"+fs+"s*%5s%s %d to %d :";
System.out.printf(n,etc,etc,error,low,high);
}
}
//this scanner object is created to handle the extra information which user enters during option value, like 1 3 4 slk fjlksf j" only "1" will be accepted rest will be skipped
s1 = new Scanner(temp);
option = Integer.parseInt(s1.next());
s1 = null;
if(option<low||option>high){ //if option is out of range i.e. not (low - high) again ask for input with a message
String n = "%"+fs+"s*%5s%s in range :%d to %d : ";
System.out.printf(n,etc,etc,error,low,high);
continue;
}
return option;
//break; //if user enter correct input than this loop will break and control moves to swtich statement
}catch(InputMismatchException e){
String n = "%"+fs+"s*%5s%s in Number Format";
System.out.printf(n,etc,etc,error);
option=0;
}catch(NumberFormatException e){
String n = "%"+fs+"s*%5s%s in Integer/Number Format : ";
System.out.printf(n,etc,etc,error);
option=0;
}
}
}
private void showCityInfo(String city_){ //show the information about the city - city_, if stored in the data, otherwise error - city not found
int i=-1;
for(int j=0;j<this.city.length;j++){
if(city_.equals(this.city[j])){
i=j;
String etc="";
System.out.printf("%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*%12s - LOW/HIGH Temperature: %3d/%-3d Humidity: %3d*\n",etc,city[i],lowTemp[i], highTemp[i], humidity[i]);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*************************************************************\n",etc);
}
}
if(i==-1){
String etc="";
System.out.printf("%10s*************************************************************\n",etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*%20sCITY NOT FOUND%25s*\n",etc,etc,etc);
System.out.printf("%10s*%59s*\n",etc,etc);
System.out.printf("%10s*************************************************************\n",etc);
}
}
private void waitForKeyPress(){ //displays "press enter to continue" and let the user to press the enter key, (implemented to pause the result)
String etc="";
System.out.printf("%10s*%15sPress Enter to continue :%19s*",etc,etc,etc);
s.nextLine();
}
private void sort(String[] s){ //sort the array of string in ascending order
for(int i=0;i<s.length;i++){
for(int j=0;j<s.length-1-i;j++){
if(s[j].compareTo(s[j+1])>0){
String temp = s[j];
s[j]=s[j+1];
s[j+1] = temp;
}
}
}
}
private void sort(int[] s){ //sort the array of int in ascending order
for(int i=0;i<s.length;i++){
for(int j=0;j<s.length-1-i;j++){
if(s[j]>s[j+1]){
int temp = s[j];
s[j]=s[j+1];
s[j+1] = temp;
}
}
}
}
//for testing
private String[] initCities(String[] city){ //initialize the all the city names, their respective low and high temperatures and humidity
city=new String[N];
check=true;
city[0]="Brisbane"; this.lowTemp[0]=15;this.highTemp[0]=21;this.humidity[0]=65;
city[1]="Adelaide"; lowTemp[1]=17;highTemp[1]=22;humidity[1]=55;
city[2]="Canberra";lowTemp[2]=11;highTemp[2]=17;humidity[2]=69;
city[3]="Newcastle";lowTemp[3]=15;highTemp[3]=19;humidity[3]=69;
city[4]="ROckhampton";lowTemp[4]=8;highTemp[4]=29;humidity[4]=59;
city[5]="Melbourne";lowTemp[5]=15;highTemp[5]=17;humidity[5]=77;
city[6]="Townsville";lowTemp[6]=20;highTemp[6]=39;humidity[6]=68;
city[7]="Australian City";lowTemp[7]=19;highTemp[7]=20;humidity[7]=99;
return city;
}
public static void main(String [ ] args){ //execution of program starts from here
WeatherDataManager wdm = new WeatherDataManager(); //creating object of the Class 'WeatherDataManager'
wdm.displayMenu(); //call to the method which displays the menu screen
}
private boolean check = false; //used to check whether the data is entered or not, true means entered, false means not entered
private final int N = 8; //total no of cities
public static Scanner s = new Scanner(System.in); //for getting input from the keyboard
public static Scanner s1; //for handling input entered from the keyboard
private String[] city; //for the city names
private int[] lowTemp; //for the low temperature -20 to 20
private int[] highTemp; //for high temperature 0 to 60
private int[] humidity; //for the humidity (10% - 100%)
//used as option for sorting accordingly
public final int CITY = 0; //used
public final int LOW_TEMP=1; //used
public final int HIGH_TEMP=2; //not used
public final int HUMIDITY=3; //not used
public final int NORMAL=4; //used
}
for execution type following after compilation at command line
C:\> java WeatherDataManager
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