Question

Write a Java program that reads 10 integers from the keyboard and outputs all the pairs whose sum is 30 .

Answer 1

Please find the code below:

PrintPairOfThirty.java

package classes13;

import java.util.Scanner;

public class PrintPairOfThirty {
   public static void main(String[] args) {
       Scanner sc = new Scanner(System.in);
       int numbers[] = new int[10];
       System.out.println("Enter 10 numbers below");
       for(int i=0;i<10;i++){
           numbers[i] = sc.nextInt();
       }
       System.out.println(" Pair with sum 30 are as below ");
       for(int i=0;i<10;i++){
           for(int j=i+1;j<10;j++){
               if(numbers[i]+numbers[j]==30){
                   System.out.println("("+numbers[i]+","+numbers[j]+")");
               }
           }  
       }
   }
}

output: