JAVA Threads Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop() 3 only 1 and 3 None of these 1 , 2 and 4 3 only 1 and 3 None of these 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. } Compilation succeed but Runtime Exception None of these run-a run-a Compilation fails with an error at line 6 run-a Compilation succeed but Runtime Exception None of these run-a run-a Compilation fails with an error at line 6 run-a 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 Compiler error Prints IllegalThreadStateException is thrown Prints Prints Compiler error Prints IllegalThreadStateException is thrown Prints ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Predict the output:class A implements Runnable{ public void run(){ try{ for(int i=0;i<4;i++){ Thread.sleep(100); System.out.println(Thread.currentThread().getName()); } }catch(InterruptedException e){ } }}public class Test{ public static void main(String argv[]) throws Exception{ A a = new A(); Thread t = new Thread(a, "A"); Thread t1 = new Thread(a, "B"); t.start(); t.join(); t1.start(); }} A A A A B B B B Compilation succeed but Runtime Exception A B A B A B A B Output order is not guaranteed None of these A A A A B B B B Compilation succeed but Runtime Exception A B A B A B A B Output order is not guaranteed None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What notifyAll() method do? Wakes up one threads that are waiting on this object's monitor None of these Wakes up all threads that are not waiting on this object's monitor Wakes up all threads that are 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 not waiting on this object's monitor Wakes up all threads that are waiting on this object's monitor 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); } }} Clean compile and at run time the values 0 to 9 are printed out A compile time error indicating that no run method is defined for the Thread class None of these A run time error indicating that no run method is defined for the Thread class Clean compile but no output at runtime Clean compile and at run time the values 0 to 9 are printed out A compile time error indicating that no run method is defined for the Thread class None of these A run time error indicating that no run method is defined for the Thread class Clean compile but no output at runtime ANSWER DOWNLOAD EXAMIANS APP
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