What is StringUtils.remove() in Java?

remove() is a static methodIt is a method in Java that can be called without creating an object of the class. of the StringUtils that removes all occurrences of a substring from within the source string. The comparison of the substring with the source string is case-sensitive in nature.

An empty source string returns the empty string.
An empty remove string returns the source string.
A null source string returns a null.
A null remove string returns the source string.

How to import `StringUtils`

The definition of StringUtils is in the Apache Commons Lang package. We can add this package to the Maven project by adding the following dependency to the pom.xml file:

<dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.12.0</version>
</dependency>

For other versions of the commons-lang package, we can refer to the Maven Repository.

We can import the StringUtils class as follows:

import org.apache.commons.lang3.StringUtils;

Syntax

public static String remove(final String str, final String remove)

Parameters

final String str: It is the source string to search.
final String remove: It is the string to search and remove.

Return value

This method returns the substring with the string removed, if found.

import org.apache.commons.lang3.StringUtils;
public class Main{
    public static void main( String args[] ) {
        // Example 1
        String sourceString = "hello-educative-hello-educative";
        String removalString = "educat";
        System.out.printf("StringUtils.remove(%s, %s) = %s", sourceString, removalString, StringUtils.remove(sourceString, removalString));
        System.out.println();
        // Example 2
        sourceString = "hello-educative-hello-educative";
        removalString = "oll";
        System.out.printf("StringUtils.remove(%s, %s) = %s", sourceString, removalString, StringUtils.remove(sourceString, removalString));
        System.out.println();
    }
}

Output

The output of the code is as follows:

StringUtils.remove(hello-educative-hello-educative, educat) = hello-ive-hello-ive
StringUtils.remove(hello-educative-hello-educative, oll) = hello-educative-hello-educative

What is StringUtils.remove() in Java?

How to import StringUtils

Syntax

Parameters

Return value

Code

Example 1

Example 2

Output

How to import `StringUtils`