Object-Oriented Programming with Java, part I – Exercise 54

This program takes an inputted string and then an integer and outputs the last characters of the word dependent on the integers size.

My Code

import java.util.Scanner;

public class TheEndPart {
    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
        System.out.print("Type a word: ");
        String word = reader.nextLine();
        
        System.out.print("Length of the end part: ");
        int length = Integer.parseInt(reader.nextLine());
        
        System.out.println("Result: " + word.substring((word.length() - length), word.length()));
    }
}

Model Code

import java.util.Scanner;

 

public class TheEndPart {

    public static void main(String[] args) {

        Scanner reader = new Scanner(System.in);

        System.out.print("Type a word: ");

        String word = reader.nextLine();

        System.out.print("Length of the end part:  ");

        int lengthOfEnd = Integer.parseInt(reader.nextLine());

        

        int startingPosition = word.length() - lengthOfEnd;

        System.out.print("Result: " + word.substring(startingPosition, word.length()));

    }

}

Comments

My code is relatively the same as the model code except it introduces a new variable (startingPosition) to hold the value of word.length() – lengthOfEnd where mine does the calculation inline.