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10 Questions

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Java Concurrency and Multithreading

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Questions and Answers

What is switching between processes called?

Process switching

Thread switching

Concurrency switching

Context switching (correct)

What is unique about Java in terms of concurrent programming?

It is the first language to provide concurrency at the language level (correct)

It only supports single-threaded programming

It requires a third-party library for concurrency

It does not support concurrency

What is the main thread in a Java program?

A thread that cannot be controlled

A thread that runs after all other threads have finished

A thread that is automatically created by the JVM

A thread that can be controlled through a Thread object (correct)

How can a class implement threading in Java?

By implementing the java.lang.Runnable interface and associating it with a Thread object Signup and view all the answers

What is the purpose of the run() method in Java threading?

To define the code that a thread will execute Signup and view all the answers

What is the relationship between a Runnable object and a Thread object?

A Runnable object is associated with a Thread object Signup and view all the answers

Why must the run() method be overridden?

Because it does nothing by default Signup and view all the answers

What is a necessary step before a new thread can start executing?

Calling the start() method Signup and view all the answers

What is true about the main thread in a Java program?

It is automatically created by the JVM Signup and view all the answers

What is necessary to implement multithreaded programming in Java?

Implementing the Runnable interface or extending the Thread class Signup and view all the answers