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. }

JAVA Threads
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. }

None of these

Compilation fails with an error at line 6

run-a

Compilation succeed but Runtime Exception

run-a run-a

None of these

Compilation fails with an error at line 6

run-a

Compilation succeed but Runtime Exception

run-a run-a

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JAVA Threads
Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop()

1 and 3

3 only

None of these

1 , 2 and 4

1 and 3

3 only

None of these

1 , 2 and 4

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JAVA Threads
Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };}

None of these

The program compiles fine.

The program will not compile because it does not implement the run() method.

The program will not compile because it does not contain abstract methods.

None of these

The program compiles fine.

The program will not compile because it does not implement the run() method.

The program will not compile because it does not contain abstract methods.

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JAVA Threads
Analyze the following code:public class Test implements Runnable{ public static void main(String[] args){ Test t = new Test(); t.start(); } public void run() { }}

The program compiles and runs fine.

The program compiles, but it does not run because the run() method is not implemented.

The program does not compile because the start() method is not defined in the Test class.

The program compiles, but it does not run because the start() method is not defined.

The program compiles and runs fine.

The program compiles, but it does not run because the run() method is not implemented.

The program does not compile because the start() method is not defined in the Test class.

The program compiles, but it does not run because the start() method is not defined.

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JAVA Threads
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); }}

Prints

IllegalThreadStateException is thrown

Compiler error

Prints

IllegalThreadStateException is thrown

Compiler error

Prints

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JAVA Threads
What notifyAll() method do?

Wakes up one threads that are waiting on this object's monitor

None of these

Wakes up all threads that are waiting on this object's monitor

Wakes up all threads that are not waiting on this object's monitor

Wakes up one threads that are waiting on this object's monitor

None of these

Wakes up all threads that are waiting on this object's monitor

Wakes up all threads that are not waiting on this object's monitor

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JAVA Threads

JAVA Threads 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. }

JAVA Threads Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop()

JAVA Threads Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };}

JAVA Threads Analyze the following code:public class Test implements Runnable{ public static void main(String[] args){ Test t = new Test(); t.start(); } public void run() { }}

JAVA Threads 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); }}

JAVA Threads What notifyAll() method do?

JAVA Threads
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. }

JAVA Threads
Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop()

JAVA Threads
Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };}

JAVA Threads
Analyze the following code:public class Test implements Runnable{ public static void main(String[] args){ Test t = new Test(); t.start(); } public void run() { }}

JAVA Threads
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); }}

JAVA Threads
What notifyAll() method do?