Java String类中的trim()方法用于去除字符串前后的空格或其他空白字符(例如制表符、换行符等)。这个方法会返回一个新的字符串,其中去除了前后的空格或空白字符,原始字符串不会被修改。这个方法在处理用户输入或从外部数据源读取的字符串时特别有用,可以确保字符串不会因为前后的空格而导致错误。 0 赞 0 踩最新问答...
ExampleGet your own Java Server 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....
public class TrimDemo { public static void main(String[] args) { String str = "+++hello world+-,nihao!++++"; System.out.println(str.replace('+',' ').trim().replace(' ', '+'));//hello+world+-,nihao! System.out.println(str.replace("+"," ").trim().replace(" ", "+"));...
继续我们的探索,直接反编译TrimHelper,哇,也许这个才是我想要的,私有的TrimHelper方法: 1privatestring TrimHelper(char[] trimChars,inttrimType)2{3intnum =this.Length - 1;4intstartIndex = 0;5if(trimType != 1)6{7startIndex = 0;8while(startIndex <this.Length)9{10intindex = 0;11charch =t...
publicstaticvoidmain(String[] args) {//TODO Auto-generated method stubString s ="sdsd"; System.out.println(s.trim()); String s1="sdsdsd"; System.out.println(s1.trim()); String s2=""; System.out.println(s2.trim()); System.out.println(s2.trim().length()); ...
Java String的trim方法:去除字符串前面的空格 在Java编程中,字符串是非常常见的数据类型之一。在处理字符串时,我们经常需要去除字符串前面的空格。Java提供了一个方便的方法来实现这个功能,即trim()方法。 什么是trim方法? trim()方法是java.lang.String类提供的一个实例方法,用于去除字符串前面和后面的空格。空格包...
Java String trim Method: The trim() method is used to get a string whose value is this string, with any leading and trailing whitespace removed.
How Java String Trim Method works? The following code snippet demonstrates how a ‘trim’ is performs on string literal. Code snippet: System.out.print ( "Input: " ); System.out.println ( " Remove extra spaces from this string literal " ); ...
System.out.println("After trim: " + st); } 复制代码 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Java String valueOf() 这个方法将不同的值转换成字符串,例如int到string, object到string, long到string, float到string, character到string, boolean到string, double到string, char数组到string。
This method may be used to trim space (as defined above) from the beginning and end of a string. Java documentation forjava.lang.String.trim(). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in...