When do we use hashset over treeset?

0 Answers  

---

Why is singleton instance static?

0 Answers  

---

When super keyword is used?

0 Answers  

---

When do you call copy constructor?

0 Answers   Tavant Technologies, Virtusa,

---

How do I write a self declaration?

0 Answers  

---

---

Draw a UML class diagram for the code fragment given below: public class StringApplet extends Applet { private Label sampleString; private Button showTheString; private ButtonHandler bHandler; private FlowLayout layout; public StringApplet() { sampleString = new Label(" "); showTheString = new Button (" Show the String"); bHandler = new ButtonHandler(); layout = new FlowLayout(); showTheString.addActionListener(bHandler); setLayout(layout); add(sampleString); add(showTheString); } class ButtonHandler implements ActionListener { public void actionPerformed(ActionEvent e) { samplestring.setText("Good Morning"); } } } Note: The methods need not be indicated on the diagram.

0 Answers  

---

what is the difference between yielding and sleeping? : Java thread

0 Answers  

---

which one is performance wise advantageious from List,Set,Map?

6 Answers  

---

What is number data type?

0 Answers  

---

Why is core java important?

0 Answers  

---

describe method overloading

0 Answers  

---

Which collections are thread safe in java?

0 Answers  

---