JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. native volatile final static synchronized native volatile final static synchronized 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 run-a Compilation succeed but Runtime Exception None of these run-a run-a Compilation fails with an error at line 6 run-a Compilation succeed but Runtime Exception None of these run-a run-a ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will be the output after compiling and executing the following code?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"); }} "BeginEnd" is printed. "BeginEndRun" is printed. Compilation fails. An exception is thrown at runtime. "BeginRunEnd" is printed. "BeginEnd" is printed. "BeginEndRun" is printed. Compilation fails. An exception is thrown at runtime. "BeginRunEnd" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will be the output?class A extends Thread{ public void run(){ for(int i=0; i<2; i++){ System.out.println(i); } }}public class Test{ public static void main(String argv[]){ Test t = new Test(); t.check(new A(){}); } public void check(A a){ a.start(); }} 0 0 0 1 Compilation succeed but runtime exception Compilation error, class A has no start method None of these 0 0 0 1 Compilation succeed but runtime exception Compilation error, class A has no start 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 4 None of these run-test run-test run-test Compilation fails due to an error on line 7 Compilation fails due to an error on line 4 None of these run-test run-test run-test Compilation fails due to an error on line 7 ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What is the output for the below code ?public class Test extends Thread{ public static void main(String argv[]){ Test t = new Test(); t.run(); } public void start(){ for(int i = 0; i < 10; i++){ System.out.println("Value of i = " + i); } }} Clean compile and at run time the values 0 to 9 are printed out A compile time error indicating that no run method is defined for the Thread class None of these A run time error indicating that no run method is defined for the Thread class Clean compile but no output at runtime Clean compile and at run time the values 0 to 9 are printed out A compile time error indicating that no run method is defined for the Thread class None of these A run time error indicating that no run method is defined for the Thread class Clean compile but no output at runtime ANSWER DOWNLOAD EXAMIANS APP
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