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Compare Two Java int Arrays Example

  1. /*
  2.   Compare Two Java int Arrays Example
  3.   This java example shows how to compare two integer arrays for equality using
  4.   Arrays.equals method.
  5. */
  6.  
  7. import java.util.Arrays;
  8.  
  9. public class CompareIntArraysExample {
  10.  
  11.   public static void main(String[] args) {
  12.     //create int arrays
  13.     int[] intArray1 = new int[]{27,78,1023};
  14.     int[] intArray2 = new int[]{27,78,1023};
  15.    
  16.     /*
  17.       To compare two int arrays use,
  18.       static boolean equals(int array1[], int array2[]) method of Arrays class.
  19.      
  20.       It returns true if both arrays are equal. Arrays are considered as equal
  21.       if they contain same elements in same order.
  22.     */
  23.    
  24.     boolean blnResult = Arrays.equals(intArray1,intArray2);
  25.     System.out.println("Are two int arrays equal ? : " + blnResult);
  26.    
  27.     /*
  28.       Please note that two int array references pointing to null are
  29.       considered as equal.
  30.     */
  31.    
  32.   }
  33. }
  34.  
  35. /*
  36. Output of the program would be
  37. Are two int arrays equal ? : true
  38. */