JAVA Threads
What will be the output?class A extends Thread{ public void run(){ for(int i=0; i<2; i++){ System.out.println(i); } }}public class Test{ public static void main(String argv[]){ Test t = new Test(); t.check(new A(){}); } public void check(A a){ a.start(); }}

0 0
Compilation succeed but runtime exception
0 1
None of these
Compilation error, class A has no start method

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"); }}

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

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

ANSWER DOWNLOAD EXAMIANS APP

JAVA Threads
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. }

None of these
Compilation fails with an error at line 5
Compilation succeed but Runtime Exception
good
null

ANSWER DOWNLOAD EXAMIANS APP

JAVA Threads
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); } }}

A compile time error indicating that no run method is defined for the Thread class
Clean compile but no output at runtime
None of these
Clean compile and at run time the values 0 to 9 are printed out
A run time error indicating that no run method is defined for the Thread class

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON JAVA Threads