类 StringUtils


  • public class StringUtils
    extends Object
    • 构造器详细资料

      • StringUtils

        public StringUtils()
    • 方法详细资料

      • isEmpty

        public static boolean isEmpty​(CharSequence cs)
      • isNumeric

        public static boolean isNumeric​(String str)
        check string every char is numeric or false so string is negative number or include decimal point,will return false
        参数:
        str -
        返回: