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 Prints IllegalThreadStateException is thrown Compiler error Prints Prints Prints IllegalThreadStateException is thrown ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. start() run() go() init() start() run() go() 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. } false run-A false true run-A true Compilation fails due to an error on line 7 None of these false run-A true false run-A false true run-A true Compilation fails due to an error on line 7 None of these false run-A true ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };} The program will not compile because it does not contain abstract methods. None of these The program compiles fine. The program will not compile because it does not implement the run() method. The program will not compile because it does not contain abstract methods. None of these The program compiles fine. The program will not compile because it does not implement the run() method. 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. } None of these Compilation succeed but Runtime Exception run-a run-a run-a Compilation fails with an error at line 6 None of these Compilation succeed but Runtime Exception run-a run-a run-a Compilation fails with an error at line 6 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 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. The program has a compilation error because t is defined in both the main() method and the constructor Test(). ANSWER DOWNLOAD EXAMIANS APP
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