Java SE 多线程 线程通信
package thread;
class QQ{
private String name;
private String sex;
boolean flag=false;
public synchronized void put(String name,String sex){
if(flag)
try {
wait();
} catch (InterruptedException e1) {
e1.printStackTrace();
}
this.name=name;
try {
Thread.sleep(10);
} catch (InterruptedException e) {
e.printStackTrace();
}
this.sex=sex;
flag=true;
notify();
}
public synchronized void get(){
if(!flag)
try {
wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(name +"----------->"+sex);
flag=false;
notify();
}
}
class Producer1 implements Runnable{
QQ qq=null;
public Producer1(QQ qq){
this.qq=qq;
}
public void run() {
int i=0;
while(true){
if(i==0){
qq.put("zxx", "nan");
}else{
qq.put("cq", "nv");
}
i=(i+1)%2;
}
}
}
class Consumer1 implements Runnable{
QQ qq=null;
public Consumer1(QQ qq){
this.qq=qq;
}
public void run() {
while(true){
qq.get();
}
}
}
public class ThreadCommunciation {
public static void main(String[] args) {
QQ qq=new QQ();
new Thread(new Producer1(qq )).start();
new Thread(new Consumer1(qq)).start();
}
}
相关文档：
create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--每页显示记录条数
@currentpage int output,--第几页
@orderid nvarchar(50),--主键排序
@sort int,--排序方式，1表示升序，0表示降序排列
......
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
try {
Class cls = com.lwf.util.CommonUtil.class;
Object obj = cls.newInstance();
Method addMethod = cls.ge ......
E:\>javac -X
-Xlint 启用建议的警告
-Xlint:{all,deprecation,unchecked,fallthrough,path,serial,finally,-deprecat ion
,-unchecked,-fallthrough,-path,-serial,-finally}启用或禁用特定的警告
& ......
熟悉C++的人对于两个字符串比较的代码一定很了解：
(string1==string2)
但在java中，这个代码即使在两个字符串完全相同的情况下也会返回false
Java中必须使用string1.equals(string2)来进行判断
补充
如果：
string s1=new String("Hello");
string s2=new String("Hello");
则(s1==s2)=false
如果：
s ......
package thread;
class TestThread extends Thread {
public void run(){
while(true){
System.out.println(Thread.currentThread().getName());
}
}
}
public class ThreadDemo {
/**
* @param args
*/
public static void ......
