2. // note this is just the part of the main code
3. //but it also should work alone , like this
4. int va = 0;
5. int vb = 0;
6. int vc = 0;
7. HashMap<Integer, HashMap<Integer,Boolean>> edjesMap = new HashMap();
8. HashMap<Integer,Boolean> sub = new HashMap();
9. try{
10.        boolean help = sub.get(vb);
11.       }
12.       catch(Exception e ){
13.         e.printStackTrace();
14.         sub.put(vb,true);
15.         HashMap<Integer,Boolean> sub1 = new HashMap();
16.         try{
17.           sub1 = edjesMap.get(vb);
18.           sub1.put(va,true);
19.         }
20.         catch(Exception w ){
21.           w.printStackTrace();
22.           sub1.put(va,true);
23.         }
24.         edjesMap.put(vb,sub1);
25.         
26.       }