Java Timer ¶ÔÏó´´½¨ºóʹÓÃTimer¸ü¸ÄÆäÊôÐÔ!!!
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package cn.vicky;
import java.util.Timer;
import java.util.TimerTask;
public class MyTimer {
private int i = 1;
private void change(long time){
System.out.println("one : " + i);
final Timer timer = new Timer();
timer.schedule(new TimerTask(){
@Override
public void run() {
System.out.println("run " + i++);
if (i != 5) {
timer.cancel();
}
}
}, 10000,1);
System.out.println("two : " + i);
}
public static void main(String[] args) {
MyTimer mytimer = new MyTimer();
mytimer.change(0);
}
}
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package cn.vicky;
import java.util.Date;
/**
*
* @author Vicky
* ¹«½»Æû³µ
*/
public class Bus {
private String name = "";
private boolean inStation = true;
/**
* ¹«½»Æû³µÔÚ³µÕ¾ÖÐÖ»¿ÉÄÜ´ô10·ÖÖÓ,È»ºó¹«½»¾Í¿ª×ß,Ïà¶ÔÓÚ¹«½»³µÕ¾,¹«½»10·ÖÖÓºó¾ÍΪ¿Õ!
*/
public Bus(String carName) {
this.name = carName;
System.out.println(new Date() + " : a car["+ name +"] into the bus station !");
}
public void setInStation(boolean inStation) {
this.inStation = inStation;
}
public boolean isInStation() {
return inStation;
}
public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final Bus other = (Bus) obj;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
@Override
public String toString() {
return "Bus [" + name + "] :: " + (inSta
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import java.util.Random;
public class Rhymes {
private static Random rnd = new Random();
public static void main(String[] args) {
StringBuffer word = null;
switch(rnd.nextInt(2)) {
......
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public class Increment {
public static void main(String[] args) {
int j = 0;
for (int i = 0; i < 100; i++)
j = j++;
System.out.println(j);
}
}
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[mysql]
default-character-set=utf8
[client]
default-character-set=utf8
[mysqld]
default-character-set=utf8
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DROP TABLE IF ......
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long startTime=System.currentTimeMillis(); //»ñÈ¡¿ªÊ¼Ê±¼ä
doSomeThing(); //²âÊԵĴúÂë¶Î
long endTime=System.currentTimeMillis(); //»ñÈ¡½áÊøÊ±¼ä
System.out.println("³ÌÐòÔËÐÐʱ¼ä£º "+(endTime-startTime)+"ms");
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public class Clock {
public static void main(String[] args) {
int minutes ......