JAVA Threads Which of the following constructor of class Thread is valid one? Thread(Runnable threadOb, String threadName) Thread(int priority) Thread(String threadName, int priority) None of these Thread(Runnable threadOb, int priority) Thread(Runnable threadOb, String threadName) Thread(int priority) Thread(String threadName, int priority) None of these Thread(Runnable threadOb, int priority) ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };} 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. The program will not compile because it does not implement the run() method. 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(); }} An exception is thrown at runtime. Compilation fails. "gogo" is printed "go" is printed "gogogo" is printed An exception is thrown at runtime. Compilation fails. "gogo" is printed "go" is printed "gogogo" is printed 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(); }} None of these Compilation error, class A has no start method Compilation succeed but runtime exception 0 1 0 0 None of these Compilation error, class A has no start method Compilation succeed but runtime exception 0 1 0 0 ANSWER DOWNLOAD EXAMIANS APP
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); }} Prints Prints Prints Compiler error IllegalThreadStateException is thrown Prints Prints Prints Compiler error IllegalThreadStateException is thrown 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"); }} 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. The program does not compile because this cannot be referenced in a static method. ANSWER DOWNLOAD EXAMIANS APP
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