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Java - get last 3 characters from string

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Created by:
WGates
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In this article, we would like to show you how to get the last 3 characters from a string in Java.

Quick solution: 

String text = "1234";
String lastCharacters = text.substring(text.length() - 3);

System.out.println(lastCharacters);  // 234

 

Practical example

The below example shows how to use substring() method to get the last 3 characters from the text string.

StringUtils.java file:

public class StringUtils {

    public static String getLastCharacters(String text, int charactersCount) {
        int length = text.length();
        int offset = Math.max(0, length - charactersCount);
        return text.substring(offset);
    }

    public static void main(String[] args) {

        System.out.println( getLastCharacters( "1234", 3) );  // 234
        System.out.println( getLastCharacters(  "123", 3) );  // 123
        System.out.println( getLastCharacters(   "12", 3) );  // 12
        System.out.println( getLastCharacters(    "1", 3) );  // 1
        System.out.println( getLastCharacters(     "", 3) );  //
    }
}

Output:

234
123
12
1
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Java - get last 3 characters of string
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