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package com.defonds.test;
import java.util.Date;
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Date date0 = new Date();
int i,j;
String test0 = "",test1 = "";
StringBuffer buffer = new StringBuffer("");
for(i = 0;i < 10000;i ++) {
test0 = test0 + i;
}
Date date1 = new Date();
System.out.println("String + 耗用时间:" + (date1.getTime() - date0.getTime()));
Date date2 = new Date();
for(j = 0;j < 10000;j ++) {
buffer.append(i);
}
Date date3 = new Date();
System.out.println("StringBuffer + 耗用时间:" + (date3.getTime() - date2.getTime()));
}
}