Threads -Java Programming MCQ Questions and Answers

A. A lightweight process that runs independently within a program

B. A data structure to store variables

C. A type of loop

D. A synchronization mechanism

A. Processor

B. Executor

C. Threadable

D. Runnable

A. Reduced memory usage

B. Simplicity of code

C. Improved program performance by utilizing multiple CPUs or CPU cores

D. Elimination of exceptions

A. Create an object of the Thread class

B. Create a class that implements the Runnable interface and override the run() method

C. Use the start() method of the main thread

D. Create an object of the Thread class

A. It resumes the execution of a thread

B. It suspends the execution of a thread

C. It starts the execution of a new thread

D. It stops the execution of a thread

A. Yes, a thread can be restarted multiple times

B. Only if the thread is marked as "final"

C. Only if the thread is marked as "static"

D. No, a thread cannot be restarted once it has completed

A. The run() method is executed in the current thread, not as a separate thread

B. It starts a new thread and executes the run() method

C. It stops the thread immediately

D. It suspends the thread

A. By using the interrupt() method

B. By using the wait() and notify() methods

C. By using multiple catch blocks

D. By using the synchronized keyword or synchronized blocks

A. A situation where threads synchronize perfectly

B. A situation where threads never finish executing

C. A situation where multiple threads access shared data simultaneously, leading to unpredictable results

D. A situation where threads throw exceptions

A. It terminates all threads in the program

B. It pauses the execution of the current thread for a specified duration

C. It resumes the execution of a thread

D. It terminates all threads in the program