步骤1:创建一个Java程序 首先,创建一个Java程序,并命名为RemoveWhitespace.java。 publicclassRemoveWhitespace{publicstaticvoidmain(String[]args){// 你的代码写在这里}} 1. 2. 3. 4. 5. 步骤2:声明一个包含空格和换行的字符串 在main方法中声明一个包含空格和换行的字符串,例如: Stringstr=" Hello, \n...
除了使用String类提供的方法,我们也可以自定义一个方法来去除字符串中的空白字符。下面是一个示例代码: publicclassRemoveWhitespace{publicstaticvoidmain(String[]args){Stringstr=" Hello World ";StringnewStr=removeWhitespace(str);System.out.println(newStr);}publicstaticStringremoveWhitespace(Stringstr){StringBui...
**/publicclassRemoveWhitespace{publicstaticvoidmain(String[] args){Strings="He ll o, Wor ld !";//1.正则表达式方式:"\s"匹配任何不可见字符,包括空格,制表符,换页符等System.out.println(s.replaceAll("\\s+",""));//2.自定义方法System.out.println(trimAllWhitespace(s)); }publicstaticStringtri...
Learn to write a java program to remove all the white spaces from a given string using regular expression (“\\s”) and isWhitespace() method. Learn to write a Java program toremove all the white spaces and non-visible charactersfrom a givenstring. It may not be needed in real world a...
public String remove(String resource,char ch) { StringBuffer buffer=new StringBuffer(); int position=0; char currentChar; while(position { currentChar=resource.charAt(position++); if(currentChar!=ch) buffer.append(currentChar); } return buffer.toString(); ...
使用StringBuilder或StringBuffer在构建字符串时删除空格: 通过遍历字符串中的每个字符,并使用StringBuilder或StringBuffer来构建不包含空格的新字符串。 java public class RemoveWhitespace { public static void main(String[] args) { String str = " Hello World! "; String noSpacesStr = removeWhitespace(str);...
// 去除注释StringremoveComment=StringUtils.replacePattern(code,"(?:/\\*(?:[^*]|(?:\\*+[^*/]))*\\*+/)|(?://.*)","");// 去除空格StringremoveWhitespace=StringUtils.replacePattern(removeComment,"\\s+","");// 多个空格替换为一个StringoneWhiteSpace=StringUtils.replacePattern(removeComme...
Remove whitespace from both sides of a string:String myStr = " Hello World! "; System.out.println(myStr); System.out.println(myStr.trim());Try it Yourself » Definition and UsageThe trim() method removes whitespace from both ends of a string....
Function<String, String> removeWhitespace = str -> str.replaceAll("\\s+", ""); Function<String, String> toLowerCase = String::toLowerCase; Function<String, String> truncate = str -> str.substring(0, Math.min(str.length(), 10)); Function<String, String> dataProcessingPipeline = remove...
static java.lang.StringremoveWhiteSpace(java.lang.String iString) Creates a new string with any whitespace removed. static java.lang.Stringreplace(java.lang.String pSrc, char pFrom, java.lang.String pTo) Returns a copy of the src string where all occurrences of pFrom are replaced by copies ...