1# Maven 2target/ 3*.ser 4*.ec 5.mvn/wrapper/maven-wrapper.jar 6 7# IntelliJ Idea 8.idea/ 9out/ 10*.ipr 11*.iws 12*.iml 13 14# Eclipse 15.classpath 16.project 17.settings/ 18.metadata/ 19 20# OS X 21.DS_Store 22