diff --git a/.DS_Store b/.DS_Store
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index 4659501..0000000
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diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e7fcba7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,27 @@
+# Compiled class file
+*.class
+
+# Mac files
+*.DS_Store
+
+# 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*
diff --git a/0_JavaProgrammingBasics/Patterns/Patterns.java b/00_JavaProgrammingBasics/Patterns/Patterns.java
similarity index 100%
rename from 0_JavaProgrammingBasics/Patterns/Patterns.java
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diff --git a/2_Basic Sorting/.cph/.InsertionSort.java_4d676f1bf2956dfcb99be310f5de9ed4.prob b/02_BasicSorting/.cph/.InsertionSort.java_4d676f1bf2956dfcb99be310f5de9ed4.prob
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diff --git a/2_Basic Sorting/.cph/.SelectionSort.java_98c44a99488c6a2f2bf88ad05f3317eb.prob b/02_BasicSorting/.cph/.SelectionSort.java_98c44a99488c6a2f2bf88ad05f3317eb.prob
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diff --git a/3_Strings/.cph/.CompareStrings.java_f957cf8eeaefaf2c4efcc497680d5489.prob b/03_Strings/.cph/.CompareStrings.java_f957cf8eeaefaf2c4efcc497680d5489.prob
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diff --git a/3_Strings/.cph/.ConvertToUppercase.java_dbc2b0356514420a452f623e25cc992e.prob b/03_Strings/.cph/.ConvertToUppercase.java_dbc2b0356514420a452f623e25cc992e.prob
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diff --git a/3_Strings/.cph/.FindLargest.java_629b9d19a1faadc5e077c24128405166.prob b/03_Strings/.cph/.FindLargest.java_629b9d19a1faadc5e077c24128405166.prob
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diff --git a/3_Strings/.cph/.Palindrome.java_b828988604cd95856efef56006a2f688.prob b/03_Strings/.cph/.Palindrome.java_b828988604cd95856efef56006a2f688.prob
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diff --git a/3_Strings/.cph/.ShortestPath.java_af266e5bc20f2716ce638dec592f0411.prob b/03_Strings/.cph/.ShortestPath.java_af266e5bc20f2716ce638dec592f0411.prob
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