❮ String Methods ExampleGet your own Java ServerSplit a string into an array of strings:String myStr = "Split a string by spaces, and also punctuation."; String regex = "[,\\.\\s]"; String[] myArray = myStr.split(regex); for (String s : myArray) { System.out.println(s);...
在regex中,它的意思是“任何字符”,使用反斜杠\以避免单独的特殊字符,如so split(“\\.”),或者使用字符类[]来表示文字字符,例如so split(“[.]”),或者使用Pattern#quote()来转义整个字符串,如so split(Pattern.quote(“。”))。 String[] parts = string.split(Pattern.quote(".")); // Split on ...
String st1 = "Welcome to JavaFolder"; System.out.println("Before replace : " + st1); String st2 = st1.replaceAll(st1, "HelloWorld"); System.out.println("After replace: " + st2); } } 复制代码 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Java String split(...
System.out.println("abc"); String cde = "cde"; System.out.println("abc" + cde); String c = "abc".substring(2,3); String d = cde.substring(1, 2); The class String includes methods for examining individual characters of the sequence, for comparing strings, for searching strings, fo...
1. The Stringsplit()Method 1.1. Syntax Thesplit()method is overloaded and accepts the following parameters. regex– the delimiting regular expression. limit– controls the number of times the pattern is applied and therefore affects the length of the resulting array. ...
String msg; //declaration msg = "Hello world"; // assignment 2 ) Declaration with initialization 2)初始化声明 String msg = "Hello world"; Java String类方法 (Java String class methods) 1)s1.equals(s2) (1) s1.equals(s2)) This function is used to compare two strings; it returns boolean...
* @Description:*/publicclassStringMethods {//TODO: String 的各种方法./*** 字符串的各种构造器方法*/publicstaticvoidStringConstructor()throwsUnsupportedEncodingException {//无参时:TODO: 构造函数:String()String str1 =newString(); System.out.println("String()方法:" +str1);//字节数组作为参数时:...
packagecn.juwatech.string;publicclassStringMethods{publicstaticvoidmain(String[] args){Stringstr="Hello, World!";// 获取字符串长度intlength=str.length(); System.out.println("Length: "+ length);// 获取特定位置的字符charcharAt=str.charAt(1); ...
The Apache Commons Lang’sStringUtilsclass provides many useful methods to perform common operations on Strings, such as search, replace, reverse or check empty. All operations arenullsafe. TheStringUtils.split()is very similar to the above approach and also returns theStringarray output. The only...
String[] results = text.split("(?<=\\G.{"+ length +"})");returnresults[0]; }Copy The first element ofresultswill either be our truncatedString, or the originalStringiflengthwas longer thantext. Let’s test our method: @TestpublicvoidgivenStringAndLength_whenUsingSplitMethod_thenTrim(){...