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Java Array Exercises: Check if an array of integers contains two specified elements

Java Array: Exercise-32 with Solution

Write a Java program to check if an array of integers contains two specified elements 65 and 77.

Pictorial Presentation:

Java Array Exercises: Check if an array of integers contains two specified elements

Sample Solution:

Java Code:

import java.util.*; 
import java.io.*; 
 public class Exercise32 {
 public static void main(String[] args)
 {
    int[] array_nums = {77, 77, 65, 65, 65, 77};
	System.out.println("Original Array: "+Arrays.toString(array_nums)); 
	int num1 = 77;
    int num2 = 65;
	
	System.out.println("Result: "+result(array_nums, num1, num2));
    }	
  
  public static boolean result(int[] array_nums, int num1, int num2) {
    for (int number : array_nums) {
      boolean r = number != num1 && number != num2;
      if (r) {
        return false;
        }
     }
        return true;
   }
}

Sample Output:

                                                                              
Original Array: [77, 77, 65, 65, 65, 77]                               
Result: true

Flowchart:

Flowchart: Java exercises: Check if an array of integers contains two specified elements

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Previous: Write a Java program to check if the sum of all the 10's in the array is exactly 30.
Next: Write a Java program to remove the duplicate elements of a given array and return the new length of the array.

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Java: Tips of the Day

How to sort an ArrayList?

Collections.sort(testList);
Collections.reverse(testList);

That will do what you want. Remember to import Collections though!

Ref: https://bit.ly/32urdSe