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올바른 최고/최저 값을 얻을 수 있지만 그 값으로 정확한 월을 넣지는 않습니다. 아래는 RainFall Class와 Rainfall 프로그램입니다. 다음은 내가 입력 한 값입니다 (2.1, 1.7, 3.5, 2.6, 3.7, 1.6, 3.9, 2.6, 2.9, 4.3, 2.4, 3.7). 결국 결과를 보여 드리겠습니다. 당신이 가장 높은 달 10 월하지 4월 6 월하지 1월해야 가장 낮은해야 볼 수 있듯이가장 높은 값과 가장 낮은 값으로 표시 할 정확한 월을 얻으려고 시도합니다.
Enter rain value for January:2.1
Enter rain value for February:1.7
Enter rain value for March:3.5
Enter rain value for April:2.6
Enter rain value for May:3.7
Enter rain value for June:1.6
Enter rain value for July:3.9
Enter rain value for August:2.6
Enter rain value for September:2.9
Enter rain value for October:4.3
Enter rain value for November:2.4
Enter rain value for December:3.7
The total rainfall for the year is: 35.0
The average rainfall for the year is: 2.9166666666666665
The month with the highest rainfall was April with 4.3 inches.
The month with the lowest rainfall was January with 1.6 inches.
:
/**
* RainFall class
*/
public class RainFall
{
private double[] rainValue; //Rain entered by user
private int months = 12; //Number of months in a year
/**
* Constructor
*/
public RainFall(double[] rainArray)
{
rainValue = rainArray;
}
/**
* The getRainSum method returns the sum of all
* rainfall for the year.
*/
public double getRainSum()
{
double sum = 0.0; //Accumulator
//Get sum of all values in the rain array.
for (double value : rainValue)
sum += value;
return sum;
}
/**
*The get RainAverage method returns the monthly
*rainfall average.
*/
public double getRainAverage()
{
return getRainSum()/months;
}
/**
* The getRainHighest method returns the highest
* rainfall month for the year.
*/
public double getRainHighest()
{
double highest = rainValue[0]; //Get value at index 0
//Search array for the highest value.
for(int index = 1; index < rainValue.length; index++)
{
if (rainValue[index] > highest)
highest = rainValue[index];
}
return highest; // return highest value
}
/**
* The getRainLowest method returns the lowest
* rainfall month for the year
*/
public double getRainLowest()
{
double lowest = rainValue[0]; //Get value at index 0
//Search array for the lowest value.
for (int index = 1; index < rainValue.length; index++)
{
if (rainValue[index] < lowest)
lowest = rainValue[index];
}
return lowest; //return lowest value
}
}
테스트 프로그램 : 여기
/**
* This program demonstrates the RainFall class.
*/
public class RainTest {
public static void main(String[] args)
{
String[] months = { "January", "February", "March",
"April", "May", "June", "July",
"August", "September", "October",
"November", "December" }; //Months of the year
//Crate an array to hold the rain values
double[] rain = new double[12];
//Create a Scanner object for keyboard input.
Scanner keyboard = new Scanner(System.in);
//Get rain values and store them
//in the rain array
for (int index = 0; index < months.length; index++)
{
System.out.print("Enter rain value for " + months[(index)] + ":");
rain[index] = keyboard.nextDouble();
if (rain[index] <0)
{
System.out.println("You can not use a negative number.\n");
index--;
}
}
/**
* Create a RainFall object, passing the rain array
* as an argument to the constructor.
*/
RainFall myRainFall = new RainFall(rain);
//Display total rainfall
System.out.println("The total rainfall for the year is: " + myRainFall.getRainSum());
//Display average rainfall
System.out.println("The average rainfall for the year is: " + myRainFall.getRainAverage());
//Display highest rainfall
System.out.println("The month with the highest rainfall was " + months[(int) myRainFall.getRainHighest() -1] +" with "
+ myRainFall.getRainHighest() +" inches.");
//Display lowest rainfall
System.out.println("The month with the lowest rainfall was " + months[(int) myRainFall.getRainLowest() -1] + " with "
+ myRainFall.getRainLowest() +" inches.");
}
}
제공 할 수있는 도움에 미리 감사드립니다.
가능한 오타를 살펴보십시오. "색인을 가져와야합니다 ..." – Vasif