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 Compiler error Prints Prints IllegalThreadStateException is thrown Prints Compiler error Prints Prints IllegalThreadStateException is thrown 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. } None of these false run-A false true run-A true false run-A true Compilation fails due to an error on line 7 None of these false run-A false true run-A true false run-A true Compilation fails due to an error on line 7 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 4 run-test run-test Compilation fails due to an error on line 7 run-test None of these Compilation fails due to an error on line 4 run-test run-test Compilation fails due to an error on line 7 run-test None of these 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(); }} "gogogo" is printed Compilation fails. "go" is printed An exception is thrown at runtime. "gogo" is printed "gogogo" is printed Compilation fails. "go" is printed An exception is thrown at runtime. "gogo" is printed 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. static native volatile synchronized final static native volatile synchronized final 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. } null Compilation fails with an error at line 5 Compilation succeed but Runtime Exception good None of these null Compilation fails with an error at line 5 Compilation succeed but Runtime Exception good None of these ANSWER DOWNLOAD EXAMIANS APP
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