import java.util.Arrays;
public class NewArrayDemo{
public static void main(String[] args){
int[][]arr1{1,2,3},{4,5,6},{7,8,9}};
int[][]arr2={{1,2,3},{4,5,6},{7,8,9}};
int[][]arr3={{0,1,3},{4,5,6},{7,8,9}};
System.out.println("arr1内容等于arr2 ?"+Arrays.deepEquals(arr1,arr2));
System.out.println("arr1内容等于arr3 ?"+Arrays.deepEquals(arr1,arr3));
System.out.println("arr1 deepToString()/n/t"+Arrays.deepToString(arr1));
}
}