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
null
good
Compilation succeed but Runtime Exception
Compilation fails with an error at line 5

ANSWER DOWNLOAD EXAMIANS APP

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

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"); }}

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

ANSWER DOWNLOAD EXAMIANS APP

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(); }}

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

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"); }}

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

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON JAVA Threads