A Java command line parsing framework in a single file, so you can include it in source form. This lets users run picocli-based applications without requiring picocli as an external dependency.
How it works: annotate your class and picocli initializes it from the command line arguments, converting the input to strongly typed data. Supports subcommands, any option prefix style, POSIX-style grouped short options, custom type converters and more.
Distinguishes between named options and positional parameters and allows both to be strongly typed. Multi-valued fields can specify an exact number of parameters or a range (e.g., 0..*, 1..2).
Generates polished and easily tailored usage help, using ANSI colors where possible. Works with Java 5 or higher (but is designed to facilitate the use of Java 8 lambdas).
picocli alternatives and related libraries
Based on the "Command-line Argument Parsers" category
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Recently added picocli resources
2. Options and Parameters
3. Strongly Typed Everything
4. Multiple Values
5. Required ArgumentsTutorial Added by remkop // picocli.info // about 2 years ago