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 IllegalThreadStateException is thrown Prints Prints Prints Compiler error IllegalThreadStateException is thrown Prints Prints Prints ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. run() go() init() start() run() go() init() start() ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will be the output after compiling and executing the following code?public class Test implements Runnable{ public static void main(String[] args) throws InterruptedException{ Thread a = new Thread(new Test()); a.start(); System.out.print("Begin"); a.join(); System.out.print("End"); } public void run(){ System.out.print("Run"); }} "BeginEnd" is printed. An exception is thrown at runtime. "BeginEndRun" is printed. "BeginRunEnd" is printed. Compilation fails. "BeginEnd" is printed. An exception is thrown at runtime. "BeginEndRun" is printed. "BeginRunEnd" is printed. Compilation fails. 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 Compilation succeed but Runtime Exception None of these run-a run-a Compilation fails with an error at line 6 run-a Compilation succeed but Runtime Exception None of these run-a run-a 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(); }} Compilation succeed but Runtime Exception A A A A B B B B Output order is not guaranteed None of these A B A B A B A B Compilation succeed but Runtime Exception A A A A B B B B Output order is not guaranteed None of these A B A B A B A B ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What is the output for the below code ?public class Test extends Thread{ public static void main(String argv[]){ Test t = new Test(); t.run(); } public void start(){ for(int i = 0; i < 10; i++){ System.out.println("Value of i = " + i); } }} Clean compile and at run time the values 0 to 9 are printed out A compile time error indicating that no run method is defined for the Thread class A run time error indicating that no run method is defined for the Thread class None of these Clean compile but no output at runtime Clean compile and at run time the values 0 to 9 are printed out A compile time error indicating that no run method is defined for the Thread class A run time error indicating that no run method is defined for the Thread class None of these Clean compile but no output at runtime ANSWER DOWNLOAD EXAMIANS APP
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