Multi-thread synchronization method --synchronized

   Using a modification of the synchronized keyword method in all of the code are synchronized

/ * 
Lock * non-static function is synchronous: the this 
lock * static synchronization function is: bytecode object .class file 
* /

 

public  class demon_syn2 {
     public  static  void main (String [] args) {
         Final Printer2 new new Printer2 P = ();    // anonymous inner classes in the use of its local variables in the process, which must be modified with a variable Final
　　     new new the Thread () {
             public  void RUN () {
                 the while ( to true ) {
                     p.print1 (); 
                } 
            } 
        } .start (); 
        new new the Thread () {
             public  void RUN () {
                 the while ( to true ) { 
                    p.print2 (); 
                } 
            }
        }.start();
    }
}
class printer2{
    demo1 d2 = new demo1();
    public synchronized void print1(){        
        System.out.print("黑");
        System.out.print("马");
        System.out.print("程");
        System.out.print("序");
        System.out.print("员");
        System.out.print("\r\n");        
    }
    public synchronized void print2(){        
        System.out.Print ( "Biography");
        System.out.print("智");
        System.out.print("播");
        System.out.print("客");
        System.out.print("\r\n");        
    }
}

class demo1{
    
}