Java入门:String和StringBuffer之概览

F S$@W;utU    long startTime1 = System.currentTimeMillis();
0Gu;U7Up$p    for(int i=0;i<5000;i++){软件测试技术门户#QOw$tRB.}2Z
    StringBuffer result = new StringBuffer();
B'V7v,X-L}:RUG         result.append("This is");
J