Answer Posted / thati.donthi

public class PrintTriangle {

public static void main(String[] args) {
int n=4;
for(int i=1;i<=n;i++) {
for(int j=0;j<2*n-i;j++) {
System.out.print(" ");
}
for(int j=1;j<=i;j++) {
if(i%2 != 0) {
System.out.print("@"+" ");
} else {
System.out.print(j+" ");
}
}
System.out.println();
}
}
}

What is encapsulation in java?

1175

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What is the purpose of using the java bean?

1106

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Explain about automatic type conversion in java?

1091

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Give an example of use of pointers in java class.

1076

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What is string and its types?

1260

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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

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What is widening and narrowing in java? Discuss with an example.

1109

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What is the use of System class?

1226

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What is java’s garbage collected heap?

1037

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What is data and its types?

1055

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Can subclass overriding method declare an exception if parent class method doesn't throw an exception?

1162

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explain local datetime api in java8?

1062

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Can an object subclass another object?

1177

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What is the += operator called?

1103

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What is variable declaration and definition?

1063

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