JAVA Threads Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop() None of these 1 and 3 3 only 1 , 2 and 4 None of these 1 and 3 3 only 1 , 2 and 4 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 Compilation fails with an error at line 6 Compilation succeed but Runtime Exception None of these run-a run-a run-a Compilation fails with an error at line 6 Compilation succeed but Runtime Exception None of these run-a run-a ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. start() go() run() init() start() go() run() init() ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will be the output of the following program code?public class Test implements Runnable{ public static void main(String[] args){ Thread t = new Thread(this); t.start(); } public void run(){ System.out.println("test"); }} The program compiles fine, but it does not print anything because t does not invoke the run() method None of these The program does not compile because this cannot be referenced in a static method. The program compiles and runs fine and displays test on the console. The program compiles fine, but it does not print anything because t does not invoke the run() method None of these The program does not compile because this cannot be referenced in a static method. The program compiles and runs fine and displays test on the console. 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 IllegalThreadStateException is thrown Compiler error Prints Prints Prints IllegalThreadStateException is thrown Compiler error Prints Prints 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 Output order is not guaranteed A B A B A B A B None of these Compilation succeed but Runtime Exception A A A A B B B B Output order is not guaranteed A B A B A B A B None of these ANSWER DOWNLOAD EXAMIANS APP
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