<awangdev>207. Course Schedule_1.java
private boolean validateInput(int numCourses, int[][] prerequisites) {

        return numCourses == 0 || prerequisites == null || prerequisites.length == 0
            || prerequisites[0] == null || prerequisites[0].length == 0;
    }
private boolean var_0 ( int var_1 , int [ ] [ ] var_2 ) {
  return var_1 == 0 || var_2 == null || var_2 . length == 0 || var_2 [ 0 ] == null || var_2 [ 0 ] . length == 0 ;
}
