一些关于javaString的小实例，希望对大家有帮助-JavaString small number of examples, we hope to help

采用JavaString类的方法实现大数的相加相减-Methods used to achieve JavaString class subtraction of large numbers of the sum

java中字符截取substring 　　public String substring(int beginIndex)返回一个新的字符串，它是此字符串的一个子字符串。该子字符串始于指定索引处的字符，一直到此字符串末尾。 -java in character interception substring public String substring (int beginIndex) returns a new string, which is a substring of this