JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. volatile final static synchronized native volatile final static synchronized native 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(); }} Compilation succeed but Runtime Exception None of these A B A B A B A B Output order is not guaranteed A A A A B B B B Compilation succeed but Runtime Exception None of these A B A B A B A B Output order is not guaranteed A A A A B B B B 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 When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. init() run() start() go() init() run() start() go() ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will be the output?class One extends Thread{public void run(){for(int i=0; i<2; i++){System.out.print(i);}}}public class Test{public static void main(String args[]){Test t = new Test();t.call(new One());} public void call(One o){o.start();}} None of these 0 0 0 1 Compilation Error None of these 0 0 0 1 Compilation Error ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What notifyAll() method do? Wakes up one threads that are waiting on this object's monitor Wakes up all 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 one threads that are waiting on this object's monitor Wakes up all 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 ANSWER DOWNLOAD EXAMIANS APP
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