Java AWT Interview Questions and Answers - 1

Question: 1

What is the difference between a Swing and AWT components?

AWT components re heavy weight, whereas Swing components are lightweight.

Heavy weight components depend on the local windowing toolkit. For example, java.awt.Button is a heavy weight component, when it is running on the Java platform for Unix platform, it maps to a real Motif button.

Question: 2

What are the different types of controls in AWT?

The AWT supports the following types of controls:

Labels, Pushbuttons, Checkboxes, Choice lists, Lists, Scroll bars, Text components

These controls are subclasses of component

Question: 3

What is clipping?

Clipping is the process of confining paint operations to a limited area or shape.

Question: 4

What are the benefits of Swing over AWT?

Swing components are light weight.

We can have a pluggable look and feel feature which shows us how they appear in other platforms.

We can add images to Swing components. We have toolbars and tooltips in Swing.

Question: 5

What is the use of the window class?

The window class can be used to create a plain, bare bones window that does not have a border or menu.

The window class can also be used to display introduction or welcome screens.

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