Following are some of the multiple choice questions on the Threaded Joints with answers that will help the students in developing their knowledge.
Threaded Joints MCQ
1. Which of the following are methods of the Thread class? 1) yield() 2) sleep(long msec) 3) go() 4) stop()
2. What notifyAll() method do?
3. This is the bottom surface joining the sides of two adjacent threads:
4. These include taper pins, straight pins, dowel pins, clevis pins, and cotter pins:
5. Analyze the following code: public abstract class Test implements Runnable{ public void doSomething() { }; }
6. Analyze the following code: public class Test implements Runnable{ public static void main(String[] args){ Test t = new Test(); t.start(); } public void run() { } }
7. What will be the output of the following program code? public class Test implements Runnable{ public static void main(String[] args){ Thread t = new Thread(this); t.start(); } public void run(){ System.out.println("test"); } }
8. What will happen when you attempt to compile and run the following code? 1. public class Test extends Thread{ 2. public static void main(String argv[]){ 3. Test t = new Test(); 4. t.run(); 5. t.start(); 6. } 7. public void run(){ 8. System.out.println("run-test"); 9. } 10. }
9. When a class extends the Thread class ,it should override ............ method of Thread class to start that thread.
10. What will be the output? class One extends Thread{ public void run(){ for(int i=0; i
11. What will be output of the following program code? public class Test implements Runnable{ public void run(){ System.out.print("go"); } public static void main(String arg[]) { Thread t = new Thread(new Test()); t.run(); t.run(); t.start(); } }
12. What will be the output after compiling and executing the following code? public class Test implements Runnable{ public static void main(String[] args) throws InterruptedException{ Thread a = new Thread(new Test()); a.start(); System.out.print("Begin"); a.join(); System.out.print("End"); } public void run(){ System.out.print("Run"); } }
13. What is the output for the below code ? class A implements Runnable{ public void run(){ System.out.println(Thread.currentThread().getName()); } } 1. public class Test{ 2. public static void main(String... args){ 3. A a = new A(); 4. Thread t = new Thread(a); 5. t.setName("good"); 6. t.start(); 7. } 8. }
14. What will happen after compiling and running following code? class A implements Runnable{ public void run(){ System.out.println("run-a"); } } 1. public class Test{ 2. public static void main(String... args){ 3. A a = new A(); 4. Thread t = new Thread(a); 5. t.start(); 6. t.start(); 7. } 8. }
15. What is the output for the below code ? public class Test extends Thread{ public static void main(String argv[]){ Test t = new Test(); t.run(); } public void start(){ for(int i = 0; i < 10; i++){ System.out.println("Value of i = " + i); } } }
16. Which keyword when applied on a method indicates that only one thread should execute the method at a time.
17. What will be the output? class A extends Thread{ public void run(){ for(int i=0; i
18. Which of the following constructor of class Thread is valid one?
19. In java a thread can be created by ..........
20. The distance a screw thread advances axially in one turn is the:
21. Given the code. What will be the result? public class Test implements Runnable{ public static void main(String[] args) throws InterruptedException{ Thread a = new Thread(new Test()); a.start(); System.out.print("Begin"); a.join(); System.out.print("End"); } public void run(){ System.out.print("Run"); } }
22. Predict the output: public class Test extends Thread{ private int i; public void run(){ i++; } public static void main(String[] args){ Test a = new Test(); a.run(); System.out.print(a.i); a.start(); System.out.print(a.i); } }
23. Predict the output: class A implements Runnable{ public void run(){ try{ for(int i=0;i
24. This is the smallest diameter of a screw thread:
25. This type of thread is a thread on the inside of a member:
26. This type of fit is high quality and is used for the bulk of interchangeable screw thread work:
27. The standard number of threads per inch for various diameters is the:
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