Java Programming - MCQ Practice Questions

Practice free Java Programming multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.

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All topics Basics & Syntax OOP in Java Collections Framework Multithreading Exception Handling I/O Streams JDBC Generics Lambda Expressions Spring Framework Basics

Q.21Easy

Which of the following methods will cause a thread to release all locks it holds while waiting?

Q.22Easy

A developer needs to ensure that exactly 5 threads complete their tasks before proceeding to the next phase. Which synchronization utility is most appropriate?