java itself ships no build and dependency management tools. So you get either the built-in stuff that IDEs offer or use maven, gradle, ant. For toy programs you

java itself ships no build and dependency management tools. So you get either the built-in stuff that IDEs offer or use maven, gradle, ant. For toy programs you can also invoke javac directly but as it grows it quickly gets as impractical as compiling large C codebases by hand.