How Does Java's `replace()` Method Work for String Manipulation?

Replacing Strings in Java: A Comprehensive Guide

The java programming language offers a variety of string manipulation functions, allowing developers to perform operations such as concatenation, formatting, splitting, and replacing. One commonly used function for string replacement is the replace() method.

The replace() Method

The replace() method accepts two arguments:

1. Original String: The string to be searched and replaced.
2. Replacement String: The string to replace the original string.

The replace() method returns a new string with all occurrences of the original string replaced by the replacement string.

Usage Examples

Example 1: Replace "HelloBrother" with "Brother"

String originalString = "HelloBrother";
String replacementString = "Brother";
String replacedString = originalString.replace("HelloBrother", replacementString);
System.out.println(replacedString); // Output: Brother

Example 2: Replace "JAVAISBEST" with "BEST"

String originalString = "JAVAISBEST";
String replacementString = "BEST";
String replacedString = originalString.replace("JAVAISBEST", replacementString);
System.out.println(replacedString); // Output: BEST

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