Which non-unicode letter characters may be used as the first character of an identifier?
What is keyset in java?
What is string :: npos?
Why is stringbuffer thread safe?
How do you implement polymorphism in our day to day life?
What is java virtual machine? Explain
What does java ide mean?
Are arrays immutable in java?
Where local and global variables are stored?
What languages are pass by reference?
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 thread life cycle in java?
Is it possible to override the main method?
What is the point of polymorphism java?
Which methods cannot be overridden in java?