update gitignore with java based gitignore targets

.gitignore

@@ -2,6 +2,30 @@
 uil/october-2013/3/input-generator/output/output.dat
 .vscode/*
 
+# 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*
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]