5 Questions
What is the result of replacing the start() method with the run() method in Java threads?
The threads are not executed concurrently
What is the issue with the program where new Test() is recursively called inside the constructor?
It causes an infinite loop
What problem may arise if a thread is started before it has finished executing?
java.lang.IllegalThreadStateException may be thrown
What is the purpose of the Static yield() Method in Java?
To temporarily release time for other threads
What is the objective of the example using the Runnable Interface to create and launch threads?
To create and run three threads printing letters and numbers
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.
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.
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