JAVA Threads Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop() None of these 1 and 3 3 only 1 , 2 and 4 None of these 1 and 3 3 only 1 , 2 and 4 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. } None of these run-a run-a Compilation fails with an error at line 6 Compilation succeed but Runtime Exception run-a None of these run-a run-a Compilation fails with an error at line 6 Compilation succeed but Runtime Exception run-a 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(); }} 0 1 None of these 0 0 Compilation error, class A has no start method Compilation succeed but runtime exception 0 1 None of these 0 0 Compilation error, class A has no start method Compilation succeed but runtime exception 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. } null good Compilation succeed but Runtime Exception None of these Compilation fails with an error at line 5 null good Compilation succeed but Runtime Exception None of these Compilation fails with an error at line 5 ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. synchronized static volatile native final synchronized static volatile native final ANSWER DOWNLOAD EXAMIANS APP
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 Prints Prints IllegalThreadStateException is thrown Compiler error Prints Prints ANSWER DOWNLOAD EXAMIANS APP
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