Java Array Exercises: Test the equality of two arrays
Java Array: Exercise-23 with Solution
Write a Java program to test the equality of two arrays.
Pictorial Presentation:
Sample Solution:
Java Code :
public class Exercise23 {
static void equality_checking_two_arrays(int[] my_array1, int[] my_array2)
{
boolean equalOrNot = true;
if(my_array1.length == my_array2.length)
{
for (int i = 0; i < my_array1.length; i++)
{
if(my_array1[i] != my_array2[i])
{
equalOrNot = false;
}
}
}
else
{
equalOrNot = false;
}
if (equalOrNot)
{
System.out.println("Two arrays are equal.");
}
else
{
System.out.println("Two arrays are not equal.");
}
}
public static void main(String[] args)
{
int[] array1 = {2, 5, 7, 9, 11};
int[] array2 = {2, 5, 7, 8, 11};
int[] array3 = {2, 5, 7, 9, 11};
equality_checking_two_arrays(array1, array2);
equality_checking_two_arrays(array1, array3);
}
}
Sample Output:
Two arrays are not equal. Two arrays are equal.
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Previous: Write a Java program to find all pairs of elements in an array whose sum is equal to a specified number.
Next: Write a Java program to find a missing number in an 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
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