Difference between vector and arraylist.

1190

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.

2105

What is output buffer?

1096

What is int argc char * argv?

1277

Explain an algorithm to find depth of a binary tree.

1109

How do you create a method in java?

1052

Write the algorithm to check the number non-leaf nodes in a tree.

1129

What are loops in java?

1358

Is hashmap thread safe?

1060

What is string pool in java?

1077

What is singleton class and how can we make a class singleton?

1159

What are actual parameters?

1095

What is stream api in java8?

1282

What are void methods?

1066

What is a condition in java?

1098