JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. start() init() run() go() start() init() run() go() ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which of the following constructor of class Thread is valid one? Thread(String threadName, int priority) Thread(Runnable threadOb, String threadName) Thread(Runnable threadOb, int priority) None of these Thread(int priority) Thread(String threadName, int priority) Thread(Runnable threadOb, String threadName) Thread(Runnable threadOb, int priority) None of these Thread(int priority) 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(); }} 0 0 Compilation succeed but runtime exception 0 1 None of these Compilation error, class A has no start method 0 0 Compilation succeed but runtime exception 0 1 None of these Compilation error, class A has no start method 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. native synchronized final volatile static native synchronized final volatile static 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. } None of these good Compilation succeed but Runtime Exception null Compilation fails with an error at line 5 None of these good Compilation succeed but Runtime Exception null Compilation fails with an error at line 5 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. } Compilation fails with an error at line 6 None of these Compilation succeed but Runtime Exception run-a run-a run-a Compilation fails with an error at line 6 None of these Compilation succeed but Runtime Exception run-a run-a run-a ANSWER DOWNLOAD EXAMIANS APP
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