JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. synchronized volatile static final native synchronized volatile static final native ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. run() go() start() init() run() go() start() init() 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. } true run-A true false run-A false None of these false run-A true Compilation fails due to an error on line 7 true run-A true false run-A false None of these false run-A true Compilation fails due to an error on line 7 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 run-a None of these Compilation fails with an error at line 6 Compilation succeed but Runtime Exception run-a run-a run-a None of these Compilation fails with an error at line 6 Compilation succeed but Runtime Exception 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. } Compilation fails with an error at line 5 None of these good null Compilation succeed but Runtime Exception Compilation fails with an error at line 5 None of these good null Compilation succeed but Runtime Exception 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 fine, but it does not print anything because t does not invoke the run() method The program does not compile because this cannot be referenced in a static method. None of these The program compiles and runs fine and displays test on the console. The program compiles fine, but it does not print anything because t does not invoke the run() method The program does not compile because this cannot be referenced in a static method. None of these The program compiles and runs fine and displays test on the console. ANSWER DOWNLOAD EXAMIANS APP
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