Home Java String-examples String replaceFirst() Method

String replaceFirst() Method
Posted on: August 18, 2007 at 12:00 AM

In this program you will learn how to replace words in a text. We are going to use replaceFirst() method of String class in Java.

String replaceFirst() Method

In this program you will learn how to replace words in a text. We are going to use replaceFirst() method of String class in Java. The description of the code is given below for the usage of the method.

Description of the code:

Here, you will get to know about the replaceFirst() method through the following java program. In the program code given below, we have taken a String. Then we have taken another string that contains the word to be replaced with. After that we have applied replaceFirst(); method to replace that word. This method will only replace the word at the first position as shown in the output.

The code of the program is given below:


public class ReplaceFirstDemo {

  public static void main(String[] args) {

  String str = "Her name is Tamana and Tamana is a good girl.";

  String strreplace = "Sonia";

  String result = str.replaceFirst("Tamana", strreplace);

  System.out.println(result);

  }

}

Output of the program:

C:\unique>javac ReplaceFirstDemo.java

C:\unique>java ReplaceFirstDemo
Her name is Sonia and Tamana is a good girl.

C:\unique>

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