public class SynMethon implements Runnable{
     private  double money=1000000;
     public  void run(){
         dbMoney();
     }
     //同步方法
     private synchronized void dbMoney(){
         Thread t=Thread.currentThread();
         for(int i=1;i<=10;i++){
             if(t.getName().equals( "会计" )){
                 money+=i*10;
                 System.out.println( t.getName()+"正在整理账户" );
             }
             if(t.getName().equals( "出纳" )){
                 money-=i*5;
                 System.out.println( t.getName()+"正在支取账户" );
             }
             System.out.println( "当前金额为"+money );
             try {
                 Thread.sleep( 1000 );
             }catch (InterruptedException e){
                 e.printStackTrace();
             }
         }
     }
 }
 测试类public class test110 {
     public static void main(String[] args){
         //测试同步方法
         SynMethon synMethon=new SynMethon();
         Thread kuaiji=new Thread( synMethon,"会计" );
         kuaiji.setPriority( Thread.MAX_PRIORITY );
         kuaiji.start();
         Thread chuna=new Thread( synMethon,"出纳" );
         chuna.start();
     }
 }