murali.java

'm trying to pass a String from one class to another class but the result I'm getting is 'null'. I want to pass the String username from LoginFrame to HomeworkFrame; HomeworkFrame: public void loadSubjects (){ String item; try{ System.out.println(username); Scanner f = new Scanner (new FileReader (username + " " …

I am not sure how to explain this so I will give an example. If I were to have two arrayList like the one listed below: ArrayList<String> java = new ArrayList<String>(); java.add("1"); java.add("2"); java.add("2"); java.add("4"); ArrayList<String> lava = new ArrayList<String>(); lava.add("0"); lava.add("2"); lava.add("5"); lava.add("4"); how would i remove the duplicates, …

I want a text field which should have database values....(like dropdown list) from that list i can select text which is in database... Can any one help me out its very urgent.......