18 Questions
What type of method is showMessageDialog in the JOptionPane class?
Static method
What is the purpose of the import statement in Java?
To identify and locate classes used in Java programs
What are the two groups of packages in the Java API?
Core and extension packages
What is the purpose of the System.exit method in Java?
To terminate an application
What is the function of the java.lang package in Java?
It is automatically imported in every Java program
What is the purpose of null in the showMessageDialog method?
To specify the parent component of the dialog box
What is the purpose of the javax.swing.JOptionPane class in Java?
To display a graphical user interface for input and output
What is the main method in Java responsible for?
Beginning the execution of a Java application
What is the purpose of the Integer.parseInt() method in Java?
To convert a string to an integer
What is the purpose of the showInputDialog() method in Java?
To read a string input from the user
What is the import statement used for in Java?
To import a package or class
What is the purpose of the Addition class in the given code?
To perform addition operations
What is a significant feature of Java that makes it a safer programming language?
Its design to be safe and portable
What is the primary purpose of the Java Development Kit (JDK)?
To provide a compiler for Java programming
What is the name of the directory where the JDK is installed by default?
C:\Program Files\Java\jdk1.6.0
What is the role of the verifier in a Java environment?
To ensure bytecodes do not violate security requirements
What are the five phases that a Java program undergoes?
Edit, Compile, Load, Verify, Execute
What is a characteristic of a Java system?
Consists of environment, language APIs, and class libraries
This quiz introduces the basics of Java programming, covering its features, advantages, and how it differs from C++. Learn about the importance of focusing on specific parts of the Java library for your projects. Discover how to install the Java Standard Edition Development Kit and get started with Java applications.
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