Java .gitignore Template
The full, current Java .gitignore template — copy it as-is, or head to the .gitignore Generator to merge it with other stacks into one file.
Template
# Compiled class file *.class # Log file *.log # BlueJ files *.ctxt # Mobile Tools for Java (J2ME) .mtj.tmp/ # Package Files # *.jar *.war *.nar *.ear *.zip *.tar.gz *.rar # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml hs_err_pid* replay_pid*
What each entry does
Why every line in this template is excluded, not just what it matches.
| Entry | Why it's excluded |
|---|---|
| *.class | Compiled Java bytecode — regenerated by the build from the .java source. |
| *.log | Runtime log output — grows unbounded, is different on every machine/run, and has no value in version control. |
| *.ctxt | Files matching *.ctxt — a generated or machine-specific file type for this stack, safe to regenerate rather than track. |
| .mtj.tmp/ | A generated/local directory (.mtj.tmp) — excluded because its contents are either build output or machine-specific state, not source you'd want to review in a diff. |
| *.jar | Files matching *.jar — a generated or machine-specific file type for this stack, safe to regenerate rather than track. |
| *.war | Files matching *.war — a generated or machine-specific file type for this stack, safe to regenerate rather than track. |
| *.nar | Files matching *.nar — a generated or machine-specific file type for this stack, safe to regenerate rather than track. |
| *.ear | Files matching *.ear — a generated or machine-specific file type for this stack, safe to regenerate rather than track. |
| *.zip | Files matching *.zip — a generated or machine-specific file type for this stack, safe to regenerate rather than track. |
| *.tar.gz | Files matching *.tar.gz — a generated or machine-specific file type for this stack, safe to regenerate rather than track. |
| *.rar | Files matching *.rar — a generated or machine-specific file type for this stack, safe to regenerate rather than track. |
| hs_err_pid* | Excludes hs_err_pid* — generated or machine-specific for this stack, not something to track in version control. |
| replay_pid* | Excludes replay_pid* — generated or machine-specific for this stack, not something to track in version control. |