JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. final volatile static native synchronized final volatile static native synchronized 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 Prints IllegalThreadStateException is thrown Prints Compiler error Prints Prints IllegalThreadStateException is thrown ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };} The program will not compile because it does not implement the run() method. None of these The program compiles fine. The program will not compile because it does not contain abstract methods. The program will not compile because it does not implement the run() method. None of these The program compiles fine. The program will not compile because it does not contain abstract methods. 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 Compilation error, class A has no start method 0 1 Compilation succeed but runtime exception None of these 0 0 Compilation error, class A has no start method 0 1 Compilation succeed but runtime exception 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 Compilation fails due to an error on line 7 true run-A true false run-A true None of these false run-A false Compilation fails due to an error on line 7 true run-A true false run-A true None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which of the following constructor of class Thread is valid one? Thread(int priority) Thread(Runnable threadOb, int priority) Thread(String threadName, int priority) Thread(Runnable threadOb, String threadName) None of these Thread(int priority) Thread(Runnable threadOb, int priority) Thread(String threadName, int priority) Thread(Runnable threadOb, String threadName) None of these ANSWER DOWNLOAD EXAMIANS APP
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