摘要:
package com.liftsail.testprofiledemo.utiltest; import org.springframework.util.CollectionUtils; import java.util.*; /** * @Author: liftsail * @Date: 2 阅读全文
摘要:
//Java拼接字符串时,去掉最后一个多余的逗号 String str[] = { "hello", "beijing", "world", "shenzhen" }; StringBuffer buf = new StringBuffer(); for (int i = 0; i < str.le 阅读全文