Java nested array equals

how to compare nested array in java

/**
 * @author lautturi.com
 * Java example: check if the two arrays are deeply equal to one another in java 
 */
import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		int[][] a = new int[][] {{1}, {2}, {3, 4}};
		int[][] b = new int[][] {{1}, {2}, {3, 4}};
		int[][] c = new int[][] {{1}, {2}, {3}, {4}};
		java.util.Arrays.deepEquals(a, b); // true
		java.util.Arrays.deepEquals(b, c); // false
		
		System.out.println(java.util.Arrays.deepEquals(a, b));
		System.out.println(java.util.Arrays.deepEquals(b, c));
		
	}
}