java split string by dot

There is a String.Split () method in the Java.lang package, and the return is an array.1,"." and "|" is an escape character and must be added "\ \";If you use "." As a separate word, it must be written as follows:String.Split ("\ \"), in order to

Today the testers made a small demand, IP address a.b.c.d, abcd any one domain is empty when treated as 0. For example 192 ... , the backstage as 192.0.0.0 processing.The way I think of it is to use the split method of the string, first get the

Java entry 1.2.3-an old bird's Java learning experience Basic Information Author: MengPress: Tsinghua University PressISBN: 9787302217831Mounting time:Published on: February 1, March 2010Start: 16Other Details View: http://www.china-pub.com/196571  

I. Basic computer knowledge (Computer overview) (understanding)1 . What is a computer? Application examples of computer in lifeA: computer (computer) Full name: Electronic computers, commonly known as computers. It is a modern intelligent electronic

Strings and arrays are commonly used in programming. Therefore, the programming language uses String and Array as the basic types, it also provides many string and array methods to simplify string operations. JavaScript also provides the String and

Strings and arrays are commonly used in programming. Therefore, the programming language uses String and Array as the basic types, it also provides many string and array methods to simplify string operations. JavaScript also provides the String and

CharacterTypically, when we process characters, we use the raw data type char. Example char ch = ' a '; Unicode for uppercase Greek Omega character char Unichar = ' \u039a '; An array of chars char[] chararray ={' A ', ' B ', ' C ', ' d '

This paper briefly introduces the regular expressions of Java and its implementation, and explains the specific usage of regular expressions through examples. 1. Regular expression 1.1. Introduction Regular Expressions (Regular Expression), referred

Oop There are three elements of the object Behavior What is the interface, what method/field can be used? State What happens to the object when the method is called? The state

Mobile Internet: It is the combination of mobile communication and the Internet to become one. Refers to the Internet technology, platform, business model and application of mobile communication technology combined with the practice of the