JAVA Threads In java a thread can be created by .......... Extending the thread class. None of these Both of the above Implementing Runnable interface. Extending the thread class. None of these Both of the above Implementing Runnable interface. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will happen when you attempt to compile and run the following code?class A implements Runnable{ public void run(){ System.out.println("run-A"); }}1. public class Test{2. public static void main(String argv[]){3. A a = new A();4. Thread t = new Thread(a);5. System.out.println(t.isAlive());6. t.start();7. System.out.println(t.isAlive());8. }9. } false run-A false None of these Compilation fails due to an error on line 7 true run-A true false run-A true false run-A false None of these Compilation fails due to an error on line 7 true run-A true false run-A true 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 Prints IllegalThreadStateException is thrown Compiler error Prints Prints Prints IllegalThreadStateException is thrown Compiler error Prints 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 does not compile because the start() method is not defined in the Test class. The program compiles and runs fine. The program compiles, but it does not run because the run() method is not implemented. The program compiles, but it does not run because the start() method is not defined. The program does not compile because the start() method is not defined in the Test class. The program compiles and runs fine. The program compiles, but it does not run because the run() method is not implemented. The program compiles, but it does not run because the start() method is not defined. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop() 1 and 3 1 , 2 and 4 None of these 3 only 1 and 3 1 , 2 and 4 None of these 3 only 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(); }} Compilation fails. An exception is thrown at runtime. "gogo" is printed "gogogo" is printed "go" is printed Compilation fails. An exception is thrown at runtime. "gogo" is printed "gogogo" is printed "go" is printed ANSWER DOWNLOAD EXAMIANS APP