Question

Write a java program that inserts 25 random integers from 0 to 100 in order into a LinkedList object. The program should sort the elements, then calculate the sum of the elements and the floating-point average of the elements.

Answer 1

Complete java program:

import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Random;

public class Calc {
   public static void main(String[] arg) {
      
      
       List<Integer> numbers = new LinkedList<>();
       Random r = new Random();
  
       for(int i=1;i<=25;i++) {
           // Generating random integers from 0 to 100
           int value = r.nextInt((100 - 0) + 1) + 0;
          
           //inserting 25 random integers into a LinkedList object
           numbers.add(value);
       }
      
       //sorting the elements
       Collections.sort(numbers);
      
       //calculating the sum of the elements
       Integer sum = numbers.stream().reduce(0, Integer::sum);
              
       //calculating the sum of the elements
       float avg = (float)sum / numbers.size();
      
       System.out.println("Sum of the elements:"+sum);
       System.out.println("Average of the elements:"+avg);
   }
}

Output: