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Questions and Answers
What is the result of replacing the start() method with the run() method in Java threads?
What is the result of replacing the start() method with the run() method in Java threads?
What is the issue with the program where new Test() is recursively called inside the constructor?
What is the issue with the program where new Test() is recursively called inside the constructor?
What problem may arise if a thread is started before it has finished executing?
What problem may arise if a thread is started before it has finished executing?
What is the purpose of the Static yield() Method in Java?
What is the purpose of the Static yield() Method in Java?
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What is the objective of the example using the Runnable Interface to create and launch threads?
What is the objective of the example using the Runnable Interface to create and launch threads?
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Study Notes
Java Threads
- Replacing the start() method with the run() method in Java threads will not create a new thread, but instead, execute the run() method in the current thread, blocking the execution of the rest of the program.
Constructor Issues
- Recursively calling new Test() inside the constructor can lead to a StackOverflowError, as it creates a new object and calls the constructor again, resulting in an infinite loop.
Thread Execution
- Starting a thread before it has finished executing can lead to inconsistent results, as the thread may not have completed its task, and the program may not produce the desired output.
Static yield() Method
- The static yield() method in Java is used to pause the execution of the currently running thread and give other threads a chance to run, allowing for more efficient use of system resources.
Runnable Interface
- The objective of using the Runnable Interface to create and launch threads is to separate the task to be executed from the thread itself, allowing for more flexibility and reusability of code.
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Description
Test your knowledge on multithreading and parallel programming with this quiz. Learn about creating tasks and threads, utilizing the Runnable interface, and the concept of multiple threads on multiple CPUs or sharing a single CPU.
