package com.heima.template;
public class DemoTemplate {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Realize real=new Realize();
System.out.println(real.getTime());
}
}
abstract class Template {
public final long getTime(){
long start =System.currentTimeMillis();
code();
long end=System.currentTimeMillis();
return end-start;
}
public abstract void code();
}
class Realize extends Template {
public void code() {
for (int i = 0; i < 10000; i++) {
System.out.println(i);
}
}
}
