How to convert string to array in java

The way Java converts a string into an array is through the split method, which can split the string according to matching a given regular expression. Specific usage: [String[] arr = str.split(",")], which means splitting the string with commas and storing it in an array.

#We can achieve this through the split method.

(Recommended tutorial: java introductory program)

Method introduction:

split() method can be split according to matching the given regular expression Divide into strings.

Note: Escape characters such as ., | and * must be added with \\. Multiple delimiters, you can use | as a hyphen.

Grammar structure:

public String[] split(String regex, int limit)

(Video tutorial recommendation: java video tutorial)

Parameter introduction:

regex -- Regular Expression delimiter.

limit -- The number of divided copies.

Example:

// 字符串转数组  java.lang.String
String str = "0,1,2,3,4,5";
String[] arr = str.split(","); // 用,分割
System.out.println(Arrays.toString(arr)); // [0, 1, 2, 3, 4, 5]

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