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📝 Java Threads

📖 From Operating System • 4. Threads in Operating System • 120 questions available

Practice MCQs for Java Threads. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-08

15
Easy Questions
67
Medium Questions
38
Hard Questions

📝 Sample Questions

Q1. What is the fundamental model of program execution in a Java program?

🔹 A. Processes
🔹 B. Threads
🔹 C. Applets
🔹 D. Servlets

💡 Difficulty: easy | ✅ Correct: B

Q2. What happens when the start() method is called on a Thread object?

🔹 A. Only the run() method is called
🔹 B. A new thread is created and run() is called
🔹 C. The thread is immediately terminated
🔹 D. Nothing happens

💡 Difficulty: medium | ✅ Correct: B

Q3. What happens if you call the run() method directly instead of start()?

🔹 A. A new thread is created
🔹 B. The run() method executes in the current thread
🔹 C. The program crashes
🔹 D. The thread runs at higher priority

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

📝 Computer System Architecture📝 Computer System Organization📝 Computing Environments📝 Kernel Data Structures📝 Memory Management
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