JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. start() run() go() init() start() run() go() init() ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will happen after compiling and running following code?class A implements Runnable{ public void run(){ System.out.println("run-a"); }}1. public class Test{2. public static void main(String... args){3. A a = new A();4. Thread t = new Thread(a);5. t.start();6. t.start();7. }8. } run-a None of these Compilation fails with an error at line 6 Compilation succeed but Runtime Exception run-a run-a run-a None of these Compilation fails with an error at line 6 Compilation succeed but Runtime Exception run-a run-a ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. synchronized static final native volatile synchronized static final native volatile ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Analyze the following code:public class Test implements Runnable{ public static void main(String[] args){ Test t = new Test(); t.start(); } public void run() { }} The program compiles and runs fine. The program does not compile because the start() method is not defined in the Test class. The program compiles, but it does not run because the start() method is not defined. The program compiles, but it does not run because the run() method is not implemented. The program compiles and runs fine. The program does not compile because the start() method is not defined in the Test class. The program compiles, but it does not run because the start() method is not defined. The program compiles, but it does not run because the run() method is not implemented. 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. } Compilation fails with an error at line 5 Compilation succeed but Runtime Exception None of these null good Compilation fails with an error at line 5 Compilation succeed but Runtime Exception None of these null good 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