synchronized java
synchronized blocks the next thread's call to method
as long as the previous thread's execution is not finished.
Threads can access this method one at a time.
Without synchronized all threads can access this method simultaneously.synchronized java
The synchronized keyword is all about different threads reading and writing
to the same variables, objects and resources.synchronized block java
public class MyCounter {
private int count = 0;
public synchronized void add(int value){
this.count += value;
}
}synchronization program in java
class First
{
synchronized public void display(String msg)
{
System.out.print ("["+msg);
try
{
Thread.sleep(1000);
}
catch(InterruptedException e)
{
e.printStackTrace();
}
System.out.println ("]");
}
}
class Second extends Thread
{
String msg;
First fobj;
Second (First fp,String str)
{
fobj = fp;
msg = str;
start();
}
public void run()
{
fobj.display(msg);
}
}
public class MyThread
{
public static void main (String[] args)
{
First fnew = new First();
Second ss = new Second(fnew, "welcome");
Second ss1= new Second(fnew,"new");
Second ss2 = new Second(fnew, "programmer");
}
}Copyright © 2021 Codeinu
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