JAVA Threads In java a thread can be created by .......... Extending the thread class. None of these Implementing Runnable interface. Both of the above Extending the thread class. None of these Implementing Runnable interface. Both of the above 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 and runs fine and displays test on the console. The program does not compile because this cannot be referenced in a static method. The program compiles fine, but it does not print anything because t does not invoke the run() method None of these The program compiles and runs fine and displays test on the console. The program does not compile because this cannot be referenced in a static method. The program compiles fine, but it does not print anything because t does not invoke the run() method None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will happen when you attempt to compile and run the following code?1. public class Test extends Thread{2. public static void main(String argv[]){3. Test t = new Test();4. t.run();5. t.start();6. }7. public void run(){8. System.out.println("run-test");9. }10. } Compilation fails due to an error on line 7 run-test run-test None of these Compilation fails due to an error on line 4 run-test Compilation fails due to an error on line 7 run-test run-test None of these Compilation fails due to an error on line 4 run-test ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };} None of these 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. The program compiles fine. None of these 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. The program compiles fine. 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); }} Compiler error Prints IllegalThreadStateException is thrown Prints Prints Compiler error Prints IllegalThreadStateException is thrown Prints Prints 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 run-a Compilation fails with an error at line 6 None of these run-a Compilation succeed but Runtime Exception run-a run-a Compilation fails with an error at line 6 None of these run-a Compilation succeed but Runtime Exception ANSWER DOWNLOAD EXAMIANS APP
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