comefrom: <awangdev>Max Area of Island_1.java
code: private boolean validate(int[][] grid, int x, int y) {
  
          return x >= 0 && x < grid.length && y >= 0 && y < grid[0].length && grid[x][y] == 1;
      }
masked: private boolean var_0 ( int [ ] [ ] var_1 , int var_2 , int var_3 ) {
    return var_2 >= 0 && var_2 < var_1 . length && var_3 >= 0 && var_3 < var_1 [ 0 ] . length && var_1 [ var_2 ] [ var_3 ] == 1 ;
  }
  