JAVA Threads Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };} The program will not compile because it does not implement the run() method. The program compiles fine. None of these The program will not compile because it does not contain abstract methods. The program will not compile because it does not implement the run() method. The program compiles fine. None of these The program will not compile because it does not contain abstract methods. 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 good Compilation succeed but Runtime Exception None of these null Compilation fails with an error at line 5 good Compilation succeed but Runtime Exception None of these null 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 None of these Compilation succeed but Runtime Exception run-a run-a Compilation fails with an error at line 6 run-a None of these Compilation succeed but Runtime Exception run-a run-a 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. synchronized final native volatile static synchronized final native volatile static ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Analyze the following code:public class Test implements Runnable{ public static void main(String[] args){ Test t = new Test(); } public Test(){ Thread t = new Thread(this); t.start(); } public void run(){ System.out.println("test"); }} The program has a compilation error because t is defined in both the main() method and the constructor Test(). The program compiles and runs and displays test. The program compiles fine, but it does not run because you cannot use the keyword this in the constructor. The program compiles and runs and displays nothing. The program has a compilation error because t is defined in both the main() method and the constructor Test(). The program compiles and runs and displays test. The program compiles fine, but it does not run because you cannot use the keyword this in the constructor. The program compiles and runs and displays nothing. 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. "gogo" is printed "go" is printed An exception is thrown at runtime. "gogogo" is printed Compilation fails. "gogo" is printed "go" is printed An exception is thrown at runtime. ANSWER DOWNLOAD EXAMIANS APP
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