JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. volatile native final synchronized static volatile native final synchronized static 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 Compilation succeed but Runtime Exception run-a run-a None of these run-a Compilation fails with an error at line 6 Compilation succeed but Runtime Exception run-a run-a None of these run-a ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Given the code. What will be the result?public class Test implements Runnable{ public static void main(String[] args) throws InterruptedException{ Thread a = new Thread(new Test()); a.start(); System.out.print("Begin"); a.join(); System.out.print("End"); } public void run(){ System.out.print("Run"); }} "BeginEndRun" is printed. "BeginRunEnd" is printed. Compilation fails. An exception is thrown at runtime. "BeginEnd" is printed. "BeginEndRun" is printed. "BeginRunEnd" is printed. Compilation fails. An exception is thrown at runtime. "BeginEnd" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which of the following constructor of class Thread is valid one? Thread(int priority) Thread(String threadName, int priority) None of these Thread(Runnable threadOb, int priority) Thread(Runnable threadOb, String threadName) Thread(int priority) Thread(String threadName, int priority) None of these Thread(Runnable threadOb, int priority) Thread(Runnable threadOb, String threadName) 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. } None of these run-test Compilation fails due to an error on line 4 run-test run-test Compilation fails due to an error on line 7 None of these run-test Compilation fails due to an error on line 4 run-test run-test Compilation fails due to an error on line 7 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 Prints IllegalThreadStateException is thrown Prints Compiler error Prints Prints IllegalThreadStateException is thrown Prints ANSWER DOWNLOAD EXAMIANS APP
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