JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. synchronized static final volatile native synchronized static final volatile 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 Output order is not guaranteed None of these A A A A B B B B A B A B A B A B Compilation succeed but Runtime Exception Output order is not guaranteed None of these A A A A B B B B A B A B A B A B 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 contain abstract methods. None of these The program compiles fine. The program will not compile because it does not implement the run() method. The program will not compile because it does not contain abstract methods. None of these The program compiles fine. The program will not compile because it does not implement the run() method. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. go() run() init() start() go() run() init() start() 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 but no output at runtime A compile time error indicating that no run method is defined for the Thread class A run time error indicating that no run method is defined for the Thread class None of these Clean compile and at run time the values 0 to 9 are printed out Clean compile but no output at runtime A compile time error indicating that no run method is defined for the Thread class A run time error indicating that no run method is defined for the Thread class None of these Clean compile and at run time the values 0 to 9 are printed out 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 IllegalThreadStateException is thrown Prints Prints Prints Compiler error IllegalThreadStateException is thrown Prints Prints ANSWER DOWNLOAD EXAMIANS APP