JAVA Threads Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop() 1 , 2 and 4 3 only None of these 1 and 3 1 , 2 and 4 3 only None of these 1 and 3 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() go() run() start() init() go() run() start() 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(); }} An exception is thrown at runtime. "gogogo" is printed "gogo" is printed Compilation fails. "go" is printed An exception is thrown at runtime. "gogogo" is printed "gogo" is printed Compilation fails. "go" is printed 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 A A A A B B B B None of these A B A B A B A B Output order is not guaranteed Compilation succeed but Runtime Exception A A A A B B B B None of these A B A B A B A B Output order is not guaranteed ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What notifyAll() method do? None of these 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 Wakes up one threads that are waiting on this object's monitor None of these 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 Wakes up one threads that are waiting on this object's monitor 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); }} Compiler error Prints Prints Prints IllegalThreadStateException is thrown Compiler error Prints Prints Prints IllegalThreadStateException is thrown ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS