JCommander🔒 SSL Verified

Table of Contents

• ↓ 1. Overview
• ↓ 2. Types of options
• ↓ 3. Custom types (converters and splitters)
• ↓ 4. Parameter validation
• ↓ 5. Main parameter
• ↓ 6. Private parameters
• ↓ Top Alternatives to jcommander.org

6-Month Traffic Trend Estimate

Official Contact & Profiles

Visual representation extracted from jcommander.org

Content Snippets from jcommander.org

"JCommander is a very small Java framework that makes it trivial to parse command line parameters. You annotate fields with descriptions of your options:"

"The fields representing your parameters can be of any type. Basic types (Integer, Boolean, Enum, etc…​) are supported by default and you can write type converters to support any other type (custom types, etc…​)."

"In fact, JCommander provides a rather comprehensive set of built-in conversions for commonly used special types, just to name the most notable ones (list is incomplete): char[], File, Path, URI, URL, InetAddress, Date (ISO 8601), ByteOrder, Charset."

"When a Parameter annotation is found on a field of type boolean or Boolean, JCommander interprets it as an option with an arity of 0:"

Key Topics & Focus Areas for jcommander.org:

1. Overview

2. Types of options

3. Custom types (converters and splitters)

4. Parameter validation

5. Main parameter

6. Private parameters