<awangdev>207. Course Schedule_3.java
private List[] buildIndegreeEdges(int numCourses, int[][] prerequisites) {

        List[] edges = new ArrayList[numCourses];
        for (int i = 0; i < numCourses; i++) edges[i] = new ArrayList<>();
        for (int[] prerequisite : prerequisites) {
            edges[prerequisite[1]].add(prerequisite[0]);
        }
        return edges;
    }
private List [ ] var_0 ( int var_1 , int [ ] [ ] var_2 ) {
  List [ ] var_5 = new ArrayList [ var_1 ] ;
  for ( int var_7 = 0 ;
  var_7 < var_1 ;
  var_7 ++ ) var_5 [ var_7 ] = new ArrayList < > ( ) ;
  for ( int [ ] var_8 : var_2 ) {
    var_5 [ var_8 [ 1 ] ] . add ( var_8 [ 0 ] ) ;
  }
  return var_5 ;
}
