Applet
- Which of these modifiers can be used for a variable so that it can be accessed from any thread or parts of a program?
-
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NA
Correct Option: C
The volatile modifier tells the compiler that the variable modified by volatile can be changed unexpectedly by other part of the program. Specially used in situations involving multithreading.
- Which of these methods is a part of Abstract Window Toolkit (AWT) ?
-
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NA
Correct Option: C
paint() is an abstract method defined in AWT.
- Which of these methods can be used to output a string in an applet?
-
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NA
Correct Option: B
drawString() method is defined in Graphics class, it is used to output a string in an applet.
- Which of these functions is called to display the output of an applet?
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
Whenever the applet requires to redraw its output, it is done by using method paint().
- What is the output of this program?
import java.lang.reflect.*;
public class Additional_packages_Example
{
public static void main(String args[])
{
try
{
Class obj = Class.forName("java.awt.Dimension");
Method methods[] = obj.getMethods();
for (int k = 0; k < methods.length; k++)
System.out.println(methods[k]);
}
catch (Exception e)
{
System.out.print("Exception");
}
}
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
Output:
public double java.awt.Dimension.getWidth()
public double java.awt.Dimension.getHeight()
public boolean java.awt.Dimension.equals(java.lang.Object)
public java.lang.String java.awt.Dimension.toString()
public int java.awt.Dimension.hashCode()
public java.awt.Dimension java.awt.Dimension.getSize()
public void java.awt.Dimension.setSize(double,double)
public void java.awt.Dimension.setSize(int,int)
public void java.awt.Dimension.setSize(java.awt.Dimension)
public java.lang.Object java.awt.geom.Dimension2D.clone()
public void java.awt.geom.Dimension2D.setSize(java.awt.geom.Dimension2D)
public final void java.lang.Object.wait(long,int) throws java.lang.InterruptedException
public final native void java.lang.Object.wait(long) throws java.lang.InterruptedException
public final void java.lang.Object.wait() throws java.lang.InterruptedException
public final native java.lang.Class java.lang.Object.getClass()
public final native void java.lang.Object.notify()
public final native void java.lang.Object.notifyAll()
