MultiThread in java
MultiThread is a to execute the two or more thread in same time.
The use of Multithread
MultiThread is important topic. Because If you want to be a game developer you must know about this.
For Example , you just Imagine play the pubg game , you just move forward , at the same time the opponent also moving .At the once time two or more players moving , how to do this. If you use multiThread you can do this very simple.
Example-1
class A extends Thread
{
public void run()
{
for (int i=0;i<5;i++)
{
System.out.println("Class A");
try
{
Thread.sleep(500);
}
catch(Exception e){}
}
}
}
class B extends Thread
{
public void run()
{
for (int i=0;i<5;i++)
{
System.out.println("Class B");
try
{
Thread.sleep(500);
}
catch(Exception e){}
}
}
}
public class Main
{
public static void main(String[] args)
{
A obj1 = new A();
B obj2 = new B();
obj1.start();
try
{
Thread.sleep(500);
}
catch(Exception e){}
obj2.start();
}
}
Output
Class A Class B Class A Class B Class A Class B Class A Class B Class A Class B
Example-2
class A implements Runnable
{
public void run()
{
for (int i=0;i<5;i++)
{
System.out.println("Class A");
try
{
Thread.sleep(500);
}
catch(Exception e){}
}
}
}
class B implements Runnable
{
public void run()
{
for (int i=0;i<5;i++)
{
System.out.println("Class B");
try
{
Thread.sleep(500);
}
catch(Exception e){}
}
}
}
public class Main
{
public static void main(String[] args)
{
Runnable obj1 = new A();
Runnable obj2 = new B();
Thread t1 = new Thread(obj1);
Thread t2 = new Thread(obj2);
t1.start();
try
{
Thread.sleep(10);
}
catch(Exception e){}
t2.start();
}
}
Output
Class A Class B Class A Class B Class A Class B Class A Class B Class A Class B