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How many types of thread in java? give the name
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What do you understand by casting in java language?
How do you identify independent and dependent variables?
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.
Explain the difference between hashmap and hashtable in java?
How a class can implement an interface?
What is the life cycle of an Applet ?
What is “try and catch” in java
Which keyword specify that a variable is effectively final ?
What is the difference between equals() and?
Program to print 1 1 2 1 2 3 1 2 3 4 like that
What is meant by design patterns?
How does enum work in java?
Core Java 
