USER-DEFINED METHODS - Java Programming: From Problem Analysis to Program Design - page 406

import java.util.*;

public class LargestNumber
{

static Scanner console = new Scanner(System.in);

public static void main(String[] args)
{

double num; //variable to hold the current number

double max; //variable to hold the larger number

int count; //loop control variable

System.out.println("Enter 10 numbers:");

num = console.nextDouble(); //Step 1

max = num; //Step 1

for (count = 1; count < 10; count++) //Step 2

{

num = console.nextDouble(); //Step 2a

max = larger(max, num); //Step 2b

}

System.out.println("The largest number is "
+ max); //Step 3

}

public static double larger( double x, double y)
{

double max;

if (x >= y)
max = x;

else

max = y;

return max;

}

}

Sample Run: (In this sample run, the user input is shaded.)

Enter 10 numbers:
10.5 56.34 73.3 42 22 67 88.55 26 62 11
The largest number is 88.55