diff --git a/.gitignore b/.gitignore
index beb988d..26507af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,48 @@
# vs code
.vscode/
+.classpath
+.project
+.settings
# mac
.DS_Store
+
+
+##################### maven
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+###################### java
+# 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*
diff --git a/.travis.yml b/.travis.yml
index f5e0908..61c8e73 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,24 @@
-language: go
-
+# jobs:
+# include:
+# - language: go
+# go:
+# - "1.12.x"
+# - "1.13.x"
+# go_import_path: leetcode
+# install:
+# - go get -t -v ./...
+# script:
+# - go test ./... -race -coverprofile=coverage.txt -covermode=atomic
+# after_success:
+# - bash <(curl -s https://codecov.io/bash)
+# branches:
+# only:
+# - master
+language: generic
go:
- "1.12.x"
-
+ - "1.13.x"
go_import_path: leetcode
-
install:
- go get -t -v ./...
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..a46e928
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,75 @@
+
+
+
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