Quick Java + Maven .gitignore. Generated from JetBrains IntelliJ IDEA ignore plugin

.gitignore

# Created by .ignore support plugin (hsz.mobi)
### Eclipse template

.metadata
bin/
tmp/
*.tmp
*.bak
*.swp
*~.nib
local.properties
.settings/
.loadpath
.recommenders

# Eclipse Core
.project

# External tool builders
.externalToolBuilders/

# Locally stored "Eclipse launch configurations"
*.launch

# PyDev specific (Python IDE for Eclipse)
*.pydevproject

# CDT-specific (C/C++ Development Tooling)
.cproject

# JDT-specific (Eclipse Java Development Tools)
.classpath

# Java annotation processor (APT)
.factorypath

# PDT-specific (PHP Development Tools)
.buildpath

# sbteclipse plugin
.target

# Tern plugin
.tern-project

# TeXlipse plugin
.texlipse

# STS (Spring Tool Suite)
.springBeans

# Code Recommenders
.recommenders/

# Scala IDE specific (Scala & Java development for Eclipse)
.cache-main
.scala_dependencies
.worksheet
### Java template
# Compiled class file
*.class

# Log file
*.log

# BlueJ files
*.ctxt

# Mobile Tools for Java (J2ME)
.mtj.tmp/

# Package Files #
*.jar
*.war
*.ear
*.zip
*.tar.gz
*.rar

# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
### JetBrains template
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839

# User-specific stuff:
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/dictionaries

# Sensitive or high-churn files:
.idea/**/dataSources/
.idea/**/dataSources.ids
.idea/**/dataSources.xml
.idea/**/dataSources.local.xml
.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml

# Gradle:
.idea/**/gradle.xml
.idea/**/libraries

# Mongo Explorer plugin:
.idea/**/mongoSettings.xml

## File-based project format:
*.iws

## Plugin-specific files:

# IntelliJ
/out/

# mpeltonen/sbt-idea plugin
.idea_modules/

# JIRA plugin
atlassian-ide-plugin.xml

# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
### Maven template
target/
pom.xml.tag
pom.xml.releaseBackup
pom.xml.versionsBackup
pom.xml.next
release.properties
dependency-reduced-pom.xml
buildNumber.properties
.mvn/timing.properties

# Avoid ignoring Maven wrapper jar file (.jar files are usually ignored)
!/.mvn/wrapper/maven-wrapper.jar