Answer:
Java program is explained below with appropriate comments
Explanation:
Temperature.java
import java.util.Scanner;
public class Temperatures {
public static Scanner keyboard = new Scanner(System.in);
private static int highTemperature, lowTemperature,averageHigh, averageLow;
private static int index;//keeps track of months
private static int indexOfHighestTemp=0, indexOfLowestTemp=0;
private static int[][] highAndLowTemps = new int [12][2];//array for highs and lows
private static String[] months = new String[12];//array of monthss
public static void main(String[] args) {
inputTempForYear();
calculateAverageHigh(highAndLowTemps);
calculateAverageLow(highAndLowTemps);
findHighestTemp(highAndLowTemps);
findLowestTemp(highAndLowTemps);
//outputs results
System.out.println("Average High: "+averageHigh);
System.out.println("Average Low: "+averageLow);
System.out.println("Highest Temp and Month: "+highAndLowTemps[indexOfHighestTemp][0]+" "+months[indexOfHighestTemp]);
System.out.println("Lowest Temp and Month: "+highAndLowTemps[indexOfLowestTemp][1]+" "+months[indexOfLowestTemp]);
}
private static void inputTempForMonth(int[][] highAndLowTemps)
{
System.out.println("Input the high temperature for "+months[index]+":");
highTemperature = keyboard.nextInt();//inputs months high temp
highAndLowTemps[index][0]=highTemperature;
System.out.println("Input the low temperature for "+months[index]+":");
lowTemperature = keyboard.nextInt();//inputs months low temp
highAndLowTemps[index][1]=lowTemperature;
}
private static int[][] inputTempForYear()
{
months[0]="January";
months[1]="Febuary";
months[2]="March";
months[3]="April";
months[4]="May";
months[5]="June";
months[6]="July";
months[7]="August";
months[8]="September";
months[9]="October";
months[10]="November";
months[11]="December";//fills month array
for (index=0;index<=11;index++)//fills array with highs and lows
{
inputTempForMonth(highAndLowTemps);
}
return highAndLowTemps;
}
private static int calculateAverageHigh(int[][] highAndLowTemps)
{
for(int i=0;i<=11;i++)//finds sum of high temps
{
averageHigh=averageHigh+highAndLowTemps[i][0];
}
averageHigh/=12;//calculates average
return averageHigh;
}
private static int calculateAverageLow(int[][] highAndLowTemps)
{
for(int i=0;i<=11;i++)//finds sum of low temps
{
averageLow=averageLow+highAndLowTemps[i][1];
}
averageLow/=12;//calculates average
return averageLow;
}
private static int findHighestTemp(int[][] highAndLowTemps)
{
double max=highAndLowTemps[0][0];
int indexHigh;//index for highest
for(indexHigh=0;indexHigh<11;indexHigh++)//find highest high temp
{
if(highAndLowTemps[indexHigh][0]>max)
{
max=highAndLowTemps[indexHigh][0];
indexOfHighestTemp=indexHigh;
}
}
return indexOfHighestTemp;
}
private static int findLowestTemp(int[][] highAndLowTemps)
{
double min=highAndLowTemps[0][1];
int indexLow;//index for lowest
for(indexLow=0;indexLow<11;indexLow++)//finds lowest low temp
{
if(highAndLowTemps[indexLow][1]<min)
{
min=highAndLowTemps[indexLow][1];
indexOfLowestTemp=indexLow;
}
}
return indexOfLowestTemp;
}
}
