When a class extends the Thread class ,it should override ............ method of Thread class to start that thread.
A. start()
B. run()
C. init()
D. go()
Answer: Option B
This Question Belongs to Java Program >> Threads
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Comments ( 2 )
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
49.import javax.swing.*;
class Tst
{
public static void main(String ... a)
{
JFrame j1=new JFrame("My Frame");
JFrame j2=j1;
JFrame j3=j2;
j1.setVisible(true);
j2.setVisible(true);
j3.setVisible(true);
}
}
(2 Points)
run method in thread used to perform actions. it must surely overrides in our program then only start method can able to access and start the thread execution