String replaceAll() Method

In this program you will learn how to replace all the words in a String. We are going to use replaceAll() 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 replaceAll() 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 replaceAll(); method to replace that word. This method will replace all the words in a string as shown in the output.

The code of the program is given below:


public class ReplaceDemo {

  public static void main(String[] args) {

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

  String strreplace = "Sonia";

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

  System.out.println(result);

  }

}

Output of the program:

C:\unique>javac ReplaceDemo.java

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

C:\unique>

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