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"); }}

JAVA Threads
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"); }}

Compilation fails.

"BeginEnd" is printed.

An exception is thrown at runtime.

"BeginEndRun" is printed.

"BeginRunEnd" is printed.

Compilation fails.

"BeginEnd" is printed.

An exception is thrown at runtime.

"BeginEndRun" is printed.

"BeginRunEnd" is printed.

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JAVA Threads
What notifyAll() method do?

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

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

None of these

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JAVA Threads
Which keyword when applied on a method indicates that only one thread should execute the method at a time.

native

synchronized

volatile

static

final

native

synchronized

volatile

static

final

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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. }

Compilation succeed but Runtime Exception

run-a run-a

Compilation fails with an error at line 6

None of these

run-a

Compilation succeed but Runtime Exception

run-a run-a

Compilation fails with an error at line 6

None of these

run-a

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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

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JAVA Threads
When a class extends the Thread class ,it should override ............ method of Thread class to start that thread.

run()

go()

start()

init()

run()

go()

start()

init()

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JAVA Threads

JAVA Threads What notifyAll() method do?

JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time.

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 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 When a class extends the Thread class ,it should override ............ method of Thread class to start that thread.

JAVA Threads
What notifyAll() method do?

JAVA Threads
Which keyword when applied on a method indicates that only one thread should execute the method at a time.

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
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
When a class extends the Thread class ,it should override ............ method of Thread class to start that thread.