package math;import java.util.Date;public class Testrandom extends Thread {
public static void main(String[] args) {
mythread my = new mythread();
Date dt = new Date();
String a=dt.toLocaleString();
System.out.println(a);
my.start();
}
}
class mythread extends Thread{
public void run(){
while(true){
try{Thread.sleep(60000*5);
int [] num = new int[1];
for(int i=0;i<num.length;i++){
num[i] = (int)(Math.random()*(27-0+1)+0);
System.out.print(num[i]+" ");
}
}catch(InterruptedException e){}
System.out.println("搞不定怎么办");
}
}
}
public static void main(String[] args) {
mythread my = new mythread();
Date dt = new Date();
String a=dt.toLocaleString();
System.out.println(a);
my.start();
}
}
class mythread extends Thread{
public void run(){
while(true){
try{Thread.sleep(60000*5);
int [] num = new int[1];
for(int i=0;i<num.length;i++){
num[i] = (int)(Math.random()*(27-0+1)+0);
System.out.print(num[i]+" ");
}
}catch(InterruptedException e){}
System.out.println("搞不定怎么办");
}
}
}
Calendar c = Calendar.getInstance();
int hours = c.get(Calendar.HOUR_OF_DAY);
Calendar c = Calendar.getInstance();
if( c.get(Calendar.HOUR_OF_DAY)==12)
{
//do what you want}
java.util.Date currentTime = new java.util.Date();
System.out.print(formatter.format(currentTime));
String today=formatter.format(currentTime);
String hour=xcrq.substring(5,7);
java.util.Date currentTime = new java.util.Date();
System.out.print(formatter.format(currentTime));
String today=formatter.format(currentTime);
String hour=xcrq.substring(5,7);
java.util.Date currentTime = new java.util.Date();
System.out.print(formatter.format(currentTime));
String today=formatter.format(currentTime);
String hour=today.substring(4,6);
然后再判断就OK了