TO DEVELOPERS

Inputer is located under the directory: "src/com/biziol/Inputer.java"

Once you have made the changes, compile the class

go to the build folder and run this command:

• cd bin && jar cvf ../InputerLibrary.jar com/biziol/Inputer.class: this will create the library needed by users.

Inputer Library - User Guide

This library, Inputer, provides a convenient way to read various types of input from the console in Java.

Installation

1. Place the InputerLibrary.jar file into the lib folder of your Java project.
2. Import library via

import com.biziol.Inputer

Usage

To use the Inputer class in your project, import it:

import com.biziol.Inputer;

Then, create an instance of the Inputer class:

Inputer inputer = new Inputer();

Functions

readLine(String prompt)

Description: Displays a prompt and reads a line of text from the console.

Parameters:

prompt (String): The prompt to display to the user. Return Value: A String containing the line read from the console, or null if the end of the stream is reached.

Example:

String name = inputer.readLine("Enter your name");
output: Enter your name -->

readInteger(String prompt)

Description: Displays a prompt and reads an integer from the console.

Parameters:

prompt (String): The prompt to display to the user. Return Value: An Integer value, or null if the input is not a valid integer.

Error Handling: If the input is not a valid integer, an error message is printed to System.err.

Example:

Integer age = inputer.readInteger("Enter your age");
output: Enter your age -->

readDouble(String prompt)

Description: Displays a prompt and reads a double from the console.

Parameters:

prompt (String): The prompt to display to the user. Return Value: A Double value, or null if the input is not a valid double.

Error Handling: If the input is not a valid double, an error message is printed to System.err.

Example:

Double price = inputer.readDouble("Enter the price");
output: Enter the price -->

clearScreen()

Description: Clears the console screen.

Example:

Inputer.clearScreen();

Error Handling

The readInteger() and readDouble() methods handle NumberFormatException by printing an error message to System.err and returning null. You should check for null after calling these methods to handle invalid input.