Clone two dimensional array in Java

// w  w w . j  a va  2  s.com
public class Main {
  
  // clone two dimensional array
  public static boolean[][] twoDimensionalArrayClone(boolean[][] a) {
    boolean[][] b = new boolean[a.length][];
    for (int i = 0; i < a.length; i++) {
      b[i] = a[i].clone();
    }
    return b;
  }
}