Java read-write lock Readwritelock

Package Com.java.concurrent;import Java.util.concurrent.locks.readwritelock;import Java.util.concurrent.locks.ReentrantReadWriteLock; Public classTestreadwritelock { Public Static voidMain (string[] args) {final Readwritelockdemo rw2=NewReadwritelockdemo (); NewThread (NewRunnable () { Public voidrun () {Try{Thread.Sleep ( -); } Catch(interruptedexception e) {//TODO auto-generated Catch blockE.printstacktrace (); } rw2.Set( -); }        },"Write:"). Start (); NewThread (NewRunnable () { Public voidrun () { while(true) rw2.Get(); }        },"Read"). Start (); }}classReadwritelockdemo {Private intNumber =0; //define a read-write lock    PrivateReadwritelockLock=NewReentrantreadwritelock (); //Read     Public void Get() {        //Add read lock        Lock. Readlock ().Lock(); Try{System. out. println (Thread.CurrentThread (). GetName () +":"+Number ); } finally {            Lock. Readlock (). Unlock (); }    }    //Write Data     Public void Set(intNumber ) {        //Create a write lock        Lock. Writelock ().Lock(); Try{System. out. println (Thread.CurrentThread (). GetName () +":"+Number );  This. Number =Number ; }finally{            Lock. Writelock (). Unlock (); }    }}

Java read-write lock Readwritelock