What is string in java?
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What is escape analysis algorithm in JVM and how garbage collection actually worked n how it transfer the objects from one kind of space to other?
how to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state? Or extending thread class or implementing runnable interface. Which is better? : Java thread
What 5 doubled?
What do you understand by the term singleton?
What is difference between path and classpath variables?
Why is it called buffering?
What is the default execution method in java?
what are the rules to use try catch finally?
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.
When parseint method can be used?
Explain the usage of this with constructors?
What classes of exceptions, thrown by a throw statement?