JAVA Threads
Which of the following constructor of class Thread is valid one?

Thread(Runnable threadOb, String threadName)
None of these
Thread(String threadName, int priority)
Thread(int priority)
Thread(Runnable threadOb, int priority)

ANSWER DOWNLOAD EXAMIANS APP

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
run-a
None of these

ANSWER DOWNLOAD EXAMIANS APP

JAVA Threads
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"); }}

"BeginEndRun" is printed.
An exception is thrown at runtime.
"BeginEnd" is printed.
"BeginRunEnd" is printed.
Compilation fails.

ANSWER DOWNLOAD EXAMIANS APP

JAVA Threads
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"); }}

None of these
The program compiles fine, but it does not print anything because t does not invoke the run() method
The program compiles and runs fine and displays test on the console.
The program does not compile because this cannot be referenced in a static method.

ANSWER DOWNLOAD EXAMIANS APP

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"); }}

An exception is thrown at runtime.
"BeginEnd" is printed.
Compilation fails.
"BeginRunEnd" is printed.
"BeginEndRun" is printed.

ANSWER DOWNLOAD EXAMIANS APP

JAVA Threads
What will happen when you attempt to compile and run the following code?class A implements Runnable{ public void run(){ System.out.println("run-A"); }}1. public class Test{2. public static void main(String argv[]){3. A a = new A();4. Thread t = new Thread(a);5. System.out.println(t.isAlive());6. t.start();7. System.out.println(t.isAlive());8. }9. }

false run-A false
false run-A true
None of these
true run-A true
Compilation fails due to an error on line 7

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON JAVA Threads