In Java, Serializable Interface can be found under _________ package.

• A) java.net
• B) java.io
• C) java.util
• D) java.sql

Which of the following commands is used to invoke an Applet named Test from command line interpreter?

• A) appletviewer Test.html
• B) appletrunner Test.html
• C) appletviewer Test.java
• D) appletrunner Test.java

In order to include graphics in your Java program, it is mandatory to extend from _________ class.

• A) JPanel
• B) JButton
• C) JLabel
• D) JFrame

In Java Graphics, while painting a swing component, which of the following functions is invoked first?

• A) paintBorder( )
• B) paintChildern( )
• C) paint( )
• D) paintComponet( )

Which of the following statements is true regarding paintComponent() method?

• A) It first performs custom painting and then paints the background.
• B) It tells any components contained by this component to paint themselves.
• C) It first paints the background and then performs custom painting.
• D) It tells the component to paint its border.

Which of the following objects is passed as an argument to paintComponent() method?

• A) Graphics object
• B) JPanel object
• C) Image object
• D) JFrame object

Which Java graphics method would you use to draw a filled circle on a graphics context g2 at position (50, 50) with a diameter of 20 pixels?

• A) g2.drawCircle(50, 50, 20, 20);
• B) g2.drawOval(50, 50, 20, 20);
• C) g2.fillOval(50, 50, 20, 20);
• D) g2.fillCircle(50, 50, 20, 20);

In Java, Serializable Interface can be found under _________ package.

• A) java.util
• B) java.io
• C) java.net
• D) java.sql

How many ports are available for TCP socket?

• A) 64k
• B) 128
• C) 128k
• D) 64

What is the purpose of the transient keyword in Java serialization?

• A) It indicates that an object cannot be serialized.
• B) It indicates that a variable should not be serialized.
• C) It indicates that a class cannot be serialized.
• D) It indicates that a method cannot be serialized.

In the context of Java Graphics, which of the following methods we should override while painting?

• A) paint( )
• B) paintChildern( )
• C) paintComponet( )
• D) paintBorder( )

Socket is a ___________ commnunication channel between hosts.

• A) multi-directional
• B) uni-directional
• C) bi-directional
• D) tri-directional

Which Java graphics method would you use to draw a filled circle on a graphics context g2 at position (50, 50) with a diameter of 20 pixels?

• A) g2.drawCircle(50, 50, 20, 20);
• B) g2.fillOval(50, 50, 20, 20);
• C) g2.drawOval(50, 50, 20, 20);
• D) g2.fillCircle(50, 50, 20, 20);

Which of the following methods of an Applet is called every time when page is minimized?

• A) start()
• B) destroy()
• C) init()
• D) stop()

Which of the following methods is called only once during the life cycle of an Applet?

• A) start( )
• B) destroy()
• C) paint()
• D) stop()

Which of the following statements is true regarding paintComponent() method?

• A) It tells any components contained by this component to paint themselves.
• B) It tells the component to paint its border.
• C) It first paints the background and then performs custom painting.
• D) It first performs custom painting and then paints the background.

Which method is called first when an applet is loaded?

• A) start()
• B) stop()
• C) destroy()
• D) init()

To serialize an object in Java, we typically use _____________________ .

• A) ObjectOutputStream
• B) ObjectInputStream
• C) ClassInputStream
• D) ClassOutputStream

During deserialization in Java, which casting is required to recreate the original object type?

• A) Down-casting
• B) Up-casting
• C) Left-casting
• D) Right-casting

How many methods are there in the Serializable Interface?

• A) Zero
• B) One
• C) Two
• D) Three