
Concept explainers
To create a frame with the use of “Swing”, the programmer should use the “JFrame” class for the application.
Hence, the answer is option “C”.

Explanation of Solution
“JFrame” class:
The basic window of the swing application is known as frame. To create a frame, the programmer should create an object for the “JFrame” class in a Swing application. The package of “import javax.swing.JFrame*” should import in the program before use the “JFrame” class.
Syntax:
JFrame object_name=new JFrame();
Here,
- “JFrame” is the class name.
- “object_name” is the object name of the frame.
The programmer can use the object name of the “JFrame” to insert components in the window.
Explanation for incorrect options:
“Frame” class:
The “Frame” class is a class from “AWT” package. The programmer can create a window using the “Frame” class by importing the “import java.awt.*” package not in Swing package.
Hence, the option “A” is not correct.
SwingFrame:
The term “SwingFrame” is not a predefined class in java. This class is not available in both Swing and AWT packages.
Hence, the option “B” is not correct.
JavaFrame:
The term “JavaFrame” refers a frame in an application. But the class name “JavaFrame” is not a predefined class in java. This class is not available in both Swing and AWT packages.
Hence, the option “D” is not correct.
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Chapter 12 Solutions
Starting Out with Java: From Control Structures through Objects (6th Edition)
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