What are wrapper classes?

11 Answers   Noah Solutions,

---

Difference in the use of print, println, and printf.

5 Answers  

---

Static Variable can referred in non-static method?

3 Answers  

---

how many ways to create Thread and which one is good? runnable interface ot Thread class?

3 Answers   Satyam,

---

In what circumstances, compiler will supply a default constructor for a class?

4 Answers  

---

System.out.println("somestring"); It will create any object or not

5 Answers   CSC,

---

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  

---

Can we write a class without main method in java?

0 Answers  

---

how can you retrive information from database by using hashmap/arraylist ,plz explain with example briefly?

1 Answers   Satyam,

---

Define an enumeration?

0 Answers  

---

What is byte value?

0 Answers  

---

Can an interface have a constructor?

0 Answers  

---