JAVA Threads Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop() 1 , 2 and 4 1 and 3 None of these 3 only 1 , 2 and 4 1 and 3 None of these 3 only 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. 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 None of these The program does not compile because this cannot be referenced in a static method. 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 None of these 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 None of these true run-A true false run-A true Compilation fails due to an error on line 7 false run-A false None of these true run-A true false run-A true Compilation fails due to an error on line 7 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(); }} 0 1 0 0 Compilation error, class A has no start method None of these Compilation succeed but runtime exception 0 1 0 0 Compilation error, class A has no start method None of these Compilation succeed but runtime exception 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 fine, but it does not run because you cannot use the keyword this in the constructor. The program compiles and runs and displays test. 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 fine, but it does not run because you cannot use the keyword this in the constructor. The program compiles and runs and displays test. The program compiles and runs and displays nothing. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which of the following constructor of class Thread is valid one? Thread(int priority) None of these Thread(Runnable threadOb, String threadName) Thread(String threadName, int priority) Thread(Runnable threadOb, int priority) Thread(int priority) None of these Thread(Runnable threadOb, String threadName) Thread(String threadName, int priority) Thread(Runnable threadOb, int priority) ANSWER DOWNLOAD EXAMIANS APP
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