18 Questions
What is the primary benefit of using multithreading in a Java application?
To improve responsiveness and prevent freezing of the application
What is the default thread created by the JVM when a Java application is started?
Main thread
What is the parent class of all Java threads?
java.lang.Thread
What happens to other threads if an exception occurs in a single thread?
Other threads are not affected
What is the purpose of thread synchronization in Java?
To enable better communication between processes
What is the state of a thread when it is first created?
NEW
What is the purpose of the join() method in a thread?
To ensure that one thread does not start running until another thread ends
What is the return type of the getId() method in the Thread class?
long
What is the purpose of the yield() method in a thread?
To give up the current use of a processor by the current thread
What is the functionality of the run() method in a thread?
To call the run method of the Runnable object if it was constructed using a separate Runnable object
What is the purpose of the sleep() method in a thread?
To pause the execution of a thread for a specified time
What is the return type of the getName() method in the Thread class?
String
What is a thread in Java?
A sequential flow of control within a program
How can you create a thread in Java by implementing functionality without extending the Thread class?
By anonymous implementation of the Runnable interface
What is the purpose of using multithreading in Java applications?
To enable software to do multiple tasks concurrently for improved efficiency
In Java, what is the main advantage of using the Runnable interface over extending the Thread class in thread implementation?
Promotes better object-oriented design and avoids the single inheritance issue
Which of the following statements about the main thread in Java is accurate?
The main thread is the entry point of every Java program and is created by the JVM
Which of the following accurately describes the relationship between Thread Class and Runnable Interface in Java?
Runnable Interface is preferred for thread implementation to promote better object-oriented design
Test your knowledge on multithreading, GUI programming, Java Server Faces, and Swings in Java application programming unit 4. This quiz covers topics like threads and their lightweight nature within a program.
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