JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. synchronized static final native volatile synchronized static final native volatile 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 Compilation succeed but Runtime Exception None of these null good Compilation fails with an error at line 5 Compilation succeed but Runtime Exception None of these null good 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 but no output at runtime A run time error indicating that no run method is defined for the Thread class A compile time error indicating that no run method is defined for the Thread class None of these Clean compile and at run time the values 0 to 9 are printed out Clean compile but no output at runtime A run time error indicating that no run method is defined for the Thread class A compile time error indicating that no run method is defined for the Thread class None of these Clean compile and at run time the values 0 to 9 are printed out ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. init() go() start() run() init() go() start() run() 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 succeed but Runtime Exception Compilation fails with an error at line 6 None of these run-a run-a run-a Compilation succeed but Runtime Exception Compilation fails with an error at line 6 None of these run-a run-a run-a ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Predict the output:class A implements Runnable{ public void run(){ try{ for(int i=0;i<4;i++){ Thread.sleep(100); System.out.println(Thread.currentThread().getName()); } }catch(InterruptedException e){ } }}public class Test{ public static void main(String argv[]) throws Exception{ A a = new A(); Thread t = new Thread(a, "A"); Thread t1 = new Thread(a, "B"); t.start(); t.join(); t1.start(); }} A B A B A B A B Output order is not guaranteed A A A A B B B B Compilation succeed but Runtime Exception None of these A B A B A B A B Output order is not guaranteed A A A A B B B B Compilation succeed but Runtime Exception None of these ANSWER DOWNLOAD EXAMIANS APP
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