snippet_5.java

public class Temp2 {
    private int age = 10;
    private synchronized void hello(String name, int age){
        String temp = "hello " + name + " there. ";
        synchronized(this){
            this.age = age;
        }
        System.out.println(temp + " Age: " + age);
    }
 
    public static void main(String[] args){
        Temp2 t2 = new Temp2();
        t2.hello("user_name", 20);
    }
}