foo = StringUtils.replace(foo, "bar", "baz"); // replace in foo the occurrence of bar" by "baz" To replace a character at a specified position : public static String replaceCharAt(String s, int pos, char c) { S
String are immutable in Java. You can't change them. You need to create a new string with the character replaced. String myName = "domanokz"; String newName= myName.substring(0,4)+'x'+myName.substring(5); or you can use a StringBuilder: StringBuilder myName =newStringBuilder("domanok...
publicclassReplaceExample{publicstaticvoidmain(String[]args){Stringtext="I love apples and apples are my favorite.";// 替换单个字符StringreplacedChar=text.replace('a','o');System.out.println("Replace character: "+replacedChar);// 替换子字符串StringreplacedString=text.replace("apples","oranges"...
"System.Int64". Error: "Input string was not in a correct format "System.Object[]" "telnet" connection test to different servers on different ports "Unable to find a default server with Active Directory Web Services running" when calling a script with Import-module AD "Unable to process the...
Returns a string resulting from replacing all occurrences of {@code oldChar} in this string with {@code newChar}. If the character {@code oldChar} does not occur in the character sequence represented by this {@code String} object, then a reference to this {@code String} object is return...
If there are no commas in the string, thereplacemethod will return the original string unchanged. Can I usereplacewith other characters besides commas? Yes, you can use thereplacemethod to replace any character or substring within a string. ...
enter a string: Tutorials Point enter a character to search: i enter a char to replace in place of old: % the string after replace of 'i' with '%' = Tutor%als Po%nt enter a string: c programming enter a character to search: m enter a char to replace in place of old: $ the ...
oldChar − the old character. newChar − the new character.Return ValueIt returns a string derived from this string by replacing every occurrence of oldChar with newChar.ExampleOpen Compiler import java.io.*; public class Test { public static void main(String args[]) { String Str = ...
publicStringreplaceSpace(String s){// 获取原始字符串长度byte[]sb=s.getBytes();// 获取替换字符串长度byte[]addByte="%20".getBytes();// 计算被替换字符串出现次数int addIndex=0;for(int i=0;i<sb.length;i++){if(sb[i]==32){addIndex++;}}// 计算新字符串长度char[]c=newchar[sb.length...
//package com.demo2s;publicclassMain {publicstaticvoidmain(String[] argv)throwsException{Stringstr ="test test demo2s.com";Stringoldchars ="t";charnewchar ='a';System.out.println(replaceChars(str, oldchars, newchar)); }/*fromwww.java2s.com*//** ...