limit Optional. How to split a string in Java using both variants of the split() method: split(String regex) and split(String regex, int limit). The split method of the Java String class splits the given string into substrings given a delimiter. There are many ways to split a string in Java. If provided, splits the string at each occurrence of the specified separator, but stops when limit entries have been placed in the array. This method returns a character array which corresponds to the result of splitting the String object given a java regular expression as a method parameter and the tokens are limited using the method parameter limit. As an example, suppose we have 4 items in a comma separated String and we pass the value of 2 for the limit parameter: String[] shapes = "Circle,Square,Rectangle,Hexagon".split(",", 2); The Java String split method will only return 2 items, even when there are 4 possible elements. Or you can read it from file and Java will escape string for you. That is, limit the number of splits in the given string by using the limit argument. Any leftover text is not included in the array at all. First of all, it’s impossible to have a string like this in Java: "1\2\3". The result is an array of String. Here is the equivalent String array: This method always replaces malformed-input and unmappable-character sequences with this charset's default replacement string. Exception in thread "main" java.lang.NullPointerException at java.lang.String.split(String.java:2324) at com.StringExample.main(StringExample.java:11) 2. The most common way is using the split() method which is used to split a string into an array of sub-strings and returns the new array. We may specify the maximum number of items returned by using specifying the limit. Java String split() Example Example 1: Split a string into an array with the given delimiter. An example of completely breaking the string by split method. Using String.split ()¶ The string split() method breaks a given string around matches of the given regular expression. Constructs a new String by decoding the specified array of bytes using the specified charset.The length of the new String is a function of the charset, and hence may not be equal to the length of the byte array.. Split String by Backslash. Java String Split Limit Examples. Java program to split a string based on a given token. A non-negative integer specifying a limit on the number of substrings to be included in the array. Mar 24, 2015 Core Java, Examples, Snippet, String comments . The limit is given as int. 1. It should be escaped like this: "1\\2\\3". Delimiter should be escaped as well. In java you can do special string splits as: using a limit to define how many occurrences should be split positive lookahead - keeping the separator at the left side of the split negative lookahead - keeping the separator at the other side of the split More about regex and See the section below for the examples with code and output. Java String.split(String regex, int limit) ... 会只根据第一个分割分割成2份，如果是6只会分成3份，具体应用跟regex个数有关 regex, int limit)" title="关于String.split(String regex, in. For demonstrating the Java string split method, a string object is created and assigned a value. This java tutorial shows how to use the split() method of String class of java.lang package.