package PinJie;
import java.util.Date;
public class StringBuffer1 {
public static void main(String[] args) {
Long start=new Date().getTime();
//stringVersion();
stringBufferVersion();
Long end =new Date().getTime();
System.out.println("总时间为："+(end-start));
}
public static void stringBufferVersion(){
StringBuffer stringBuffer = new StringBuffer();
for (int i = 0; i < 100000; i++) {
stringBuffer.append("你啦啦啦");
}
System.out.println("StringBuffer拼接完成");
}
public static void stringVersion(){
String s="";
for (int i = 0; i < 100000; i++) {
s+="你啦啦啦";
}
System.out.println("String拼接完成");
}
}
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