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);
}
}
}
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);
}
}
}
A. A compile time error indicating that no run method is defined for the Thread class
B. A run time error indicating that no run method is defined for the Thread class
C. Clean compile and at run time the values 0 to 9 are printed out
D. Clean compile but no output at runtime
E. None of these
Answer: Option D
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Comments ( 1 )
A. A lightweight process that runs independently within a program
B. A data structure to store variables
C. A type of loop
D. A synchronization mechanism
Which interface is used to create a thread in Java?
A. Processor
B. Executor
C. Threadable
D. Runnable
What is the main advantage of using multithreading in Java programs?
A. Reduced memory usage
B. Simplicity of code
C. Improved program performance by utilizing multiple CPUs or CPU cores
D. Elimination of exceptions
How can you create a new thread in Java by implementing the Runnable interface?
A. Create an object of the Thread class
B. Create a class that implements the Runnable interface and override the run() method
C. Use the start() method of the main thread
D. Create an object of the Thread class
It Is Option D
not A and B because run is already defined in thread which is already extended
Not c because start() not called.