joiner
null相关
getting started with Google guava
joiner
null相关
//默认null异常
String[] values = new String[]{"foo",null,"bar"};
Joiner.on("#").join(values);...
gson解析
gson解析
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.g...
NumberUtils
isNumber:判断字符串是否是数字
NumberUtils
isNumber:判断字符串是否是数字
//isNumber:判断字符串是否是数字
System.out.println(NumberUtils.isNumber("5.96"));//true
System.out....