JAVA Threads Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };} 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. The program will not compile because it does not implement the run() method. The program compiles fine. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads In java a thread can be created by .......... Extending the thread class. Both of the above Implementing Runnable interface. None of these Extending the thread class. Both of the above Implementing Runnable interface. None of these 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(); }} Compilation succeed but runtime exception None of these Compilation error, class A has no start method 0 0 0 1 Compilation succeed but runtime exception None of these Compilation error, class A has no start method 0 0 0 1 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. } None of these null 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 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 does not compile because this cannot be referenced in a static method. None of these The program compiles fine, but it does not print anything because t does not invoke the run() method The program compiles and runs fine and displays test on the console. The program does not compile because this cannot be referenced in a static method. None of these The program compiles fine, but it does not print anything because t does not invoke the run() method The program compiles and runs fine and displays test on the console. 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 A A A B B B B None of these Compilation succeed but Runtime Exception Output order is not guaranteed A B A B A B A B A A A A B B B B None of these Compilation succeed but Runtime Exception Output order is not guaranteed A B A B A B A B ANSWER DOWNLOAD EXAMIANS APP
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