JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. native final synchronized static volatile native final synchronized static volatile 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. } good null Compilation succeed but Runtime Exception Compilation fails with an error at line 5 None of these good null Compilation succeed but Runtime Exception Compilation fails with an error at line 5 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What notifyAll() method do? Wakes up all threads that are waiting on this object's monitor Wakes up all threads that are not waiting on this object's monitor None of these Wakes up one threads that are waiting on this object's monitor Wakes up all threads that are waiting on this object's monitor Wakes up all threads that are not waiting on this object's monitor None of these Wakes up one threads that are waiting on this object's monitor 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 0 0 Compilation error, class A has no start method None of these Compilation succeed but runtime exception 0 1 0 0 Compilation error, class A has no start method None of these Compilation succeed but runtime exception 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); }} IllegalThreadStateException is thrown Prints Compiler error Prints Prints IllegalThreadStateException is thrown Prints Compiler error Prints Prints ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will be output of the following program code?public class Test implements Runnable{ public void run(){ System.out.print("go"); } public static void main(String arg[]) { Thread t = new Thread(new Test()); t.run(); t.run(); t.start(); }} "gogo" is printed An exception is thrown at runtime. "go" is printed Compilation fails. "gogogo" is printed "gogo" is printed An exception is thrown at runtime. "go" is printed Compilation fails. "gogogo" is printed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS