replace String with another in java

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What function can replace a string with another string?

Example #1: What will replace "HelloBrother" with "Brother"?

Example #2: What will replace "JAVAISBEST" with "BEST"?

The replace method is what you're looking for.

For example:

String replacedString = someString.replace("HelloBrother", "Brother");

replace String with another in java, The replace method is what you're looking for. For example: String replacedString = someString.replace("HelloBrother", "Brother");. Java String replace() Method. Java String replace() method replaces every occurrence of a given character with a new character and returns a new string. This method allows the replacement of a sequence of character values.

Try this: https://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html#replace%28java.lang.CharSequence,%20java.lang.CharSequence%29

String a = "HelloBrother How are you!";
String r = a.replace("HelloBrother","Brother");

System.out.println(r);

This would print out "Brother How are you!"

Java.lang.string.replace() method in Java, String replace() : This method returns a new string resulting from replacing all occurrences of old characters in the string with new characters. Syntax: public String� Java String replace() The java string replace() method returns a string replacing all the old char or CharSequence to new char or CharSequence.. Since JDK 1.5, a new replace() method is introduced, allowing you to replace a sequence of char values.

There is a possibility not to use extra variables

String s = "HelloSuresh";
s = s.replace("Hello","");
System.out.println(s);

Java String replace(), replaceFirst() and replaceAll() method, Java String replace(), replaceFirst() and replaceAll() examples: All of these methods are mainly used for replacing a part of String with another string. Java String replace() Method example. In the following example we are have a string str and we are demonstrating the use of replace() method using the String str. We have replaced all the occurrences of char ‘o’ with char ‘p’.

Replacing one string with another can be done in the below methods

Method 1: Using String replaceAll

 String myInput = "HelloBrother";
 String myOutput = myInput.replaceAll("HelloBrother", "Brother"); // Replace hellobrother with brother
 ---OR---
 String myOutput = myInput.replaceAll("Hello", ""); // Replace hello with empty
 System.out.println("My Output is : " +myOutput);       

Method 2: Using Pattern.compile

 import java.util.regex.Pattern;
 String myInput = "JAVAISBEST";
 String myOutputWithRegEX = Pattern.compile("JAVAISBEST").matcher(myInput).replaceAll("BEST");
 ---OR -----
 String myOutputWithRegEX = Pattern.compile("JAVAIS").matcher(myInput).replaceAll("");
 System.out.println("My Output is : " +myOutputWithRegEX);           

Method 3: Using Apache Commons as defined in the link below:

http://commons.apache.org/proper/commons-lang/javadocs/api-z.1/org/apache/commons/lang3/StringUtils.html#replace(java.lang.String, java.lang.String, java.lang.String)

REFERENCE

Java String replace(), replaceFirst() & replaceAll() Method EXAMPLE, Java String has 3 types of Replace method 1. replace 2. replaceAll 3. replaceFirst . With the help of these you can replace characters in your� Java String replace() example. Let’s look at java string replace method example to replace target string with another string. I will take user input from java scanner class for source, target and replacement strings.

     String s1 = "HelloSuresh";
     String m = s1.replace("Hello","");
     System.out.println(m);

Replace String with another in java., The replace() method of the returns a new string resulting from replacing all occurrences of oldChar in this string with newChar.Example Live� Introduction to Java Replace Char in String. Replacing a character in string refers to placing another character at the place of the specified character. Specified characters are represented by an index. In java, String class is used to replace the character & strings. String is the class of java.lang packages.

Java - String replace() Method, Java - String replace() Method - This method returns a new string resulting from replacing all occurrences of oldChar in this string with newChar. Give two strings and we have to replace one string with second using String.replace() method in Java? String.replace() This is a predefined (built-in) method of String class in java, it returns replaced (new) string. Consider the program: Here, we have two strings str1 and str2, str2 will be replaced with str1 and finally, str1 is the replaced

Remove or Replace part of a String in Java, Explore more than one way of removing and replacing a substring in Java. Another method we'll consider is the Apache Commons library. In this tuotrial, we will learn how to use String.replaceAll(String otherString) to replace all occurrences of a sub-string with another new string in a string using Java. Examples were provided to discuss different scenarios of replacing all occurrences in a string.

How to replace a substring in Java?, Another important point to note is that the replacement starts from the beginning of the string and continue to the end, for example, replacing "aa"� In this tutorial, we're going to be looking at various means we can remove or replace part of a String in Java. We'll explore removing and/or replacing a substring using a String API, then using a StringBuilder API and finally using the StringUtils class of Apache Commons library.

Comments
  • So you want only the last word?
  • Almost -1 for giving out a link to an ancient copy of the javadocs.
  • It's hardly a new answer, but an improvement of @DeadProgrammer's answer.
  • This is existing answer please try with different approach @oleg sh