Initial commit

.all-contributorsrc

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+{
+ "files": [
+ "README.md"
+ ],
+ "imageSize": 100,
+ "commit": false,
+ "contributors": [
+ {
+ "login": "iluwatar",
+ "name": "Ilkka Seppälä",
+ "avatar_url": "https://avatars1.githubusercontent.com/u/582346?v=4",
+ "profile": "https://github.com/iluwatar",
+ "contributions": [
+ "projectManagement",
+ "maintenance",
+ "content"
+ ]
+ },
+ {
+ "login": "ohbus",
+ "name": "Subhrodip Mohanta",
+ "avatar_url": "https://avatars0.githubusercontent.com/u/13291222?v=4",
+ "profile": "https://subho.xyz",
+ "contributions": [
+ "code",
+ "review",
+ "maintenance"
+ ]
+ }
+ ],
+ "contributorsPerLine": 7,
+ "projectName": "java-development-practice",
+ "projectOwner": "tu-yucheng",
+ "repoType": "github",
+ "repoHost": "https://github.com",
+ "skipCi": true
+}

.editorconfig

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+root = true
+
+[*.{adoc,bat,groovy,html,java,js,json,yaml,ts,yml,feature,jsp,kt,kts,md,properties,py,rb,sh,sql,svg,txt,xml,xsd}]
+charset = utf-8
+
+[*.{groovy,java,kt,kts,xml,xsd,js,json,ts,yaml,yml,sql,feature}]
+indent_style = space
+indent_size = 3
+ij_continuation_indent_size = 6
+end_of_line = lf
+trim_trailing_whitespace = true

.gitattributes

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+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# These are explicitly windows files and should use crlf
+*.bat text eol=crlf
+

.github/FUNDING.yml

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+github: [tuyucheng]

.github/stale.yml

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+# Configuration for probot-stale - https://github.com/probot/stale
+
+# Number of days of inactivity before an Issue or Pull Request becomes stale
+daysUntilStale: 60
+
+# Number of days of inactivity before an Issue or Pull Request with the stale label is closed.
+# Set to false to disable. If disabled, issues still need to be closed manually, but will remain marked as stale.
+daysUntilClose: false
+
+# Only issues or pull requests with all of these labels are check if stale. Defaults to `[]` (disabled)
+onlyLabels: []
+
+# Issues or Pull Requests with these labels will never be considered stale. Set to `[]` to disable
+exemptLabels:
+ - "info: help wanted"
+
+# Set to true to ignore issues in a project (defaults to false)
+exemptProjects: false
+
+# Set to true to ignore issues in a milestone (defaults to false)
+exemptMilestones: false
+
+# Set to true to ignore issues with an assignee (defaults to false)
+exemptAssignees: false
+
+# Label to use when marking as stale
+staleLabel: "status: stale"
+
+# Comment to post when marking as stale. Set to `false` to disable
+markComment: >
+ This issue has been automatically marked as stale because it has not had
+ recent activity. The issue will be unassigned if no further activity occurs. Thank you
+ for your contributions.
+
+# Comment to post when removing the stale label.
+# unmarkComment: >
+# Your comment here.
+
+# Comment to post when closing a stale Issue or Pull Request.
+# closeComment: >
+# Your comment here.
+
+# Limit the number of actions per hour, from 1-30. Default is 30
+limitPerRun: 30
+
+# Limit to only `issues` or `pulls`
+# only: issues
+
+# Optionally, specify configuration settings that are specific to just 'issues' or 'pulls':
+pulls:
+ daysUntilStale: 30
+ daysUntilClose: 45
+ markComment: >
+ This pull request has been automatically marked as stale because it has not had
+ recent activity. It will be closed if no further activity occurs.
+ closeComment: >
+ Closed due to inactivity. Thank you for your contributions.
+
+# issues:
+# exemptLabels:
+# - confirmed

.github/workflows/maven-ci.yml

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+name: Java CI
+
+on:
+ push:
+ branches: [ master ]
+
+jobs:
+ build-and-analyze:
+ runs-on: ubuntu-latest
+
+ name: Build and Run Sonar analysis on JDK 21
+ steps:
+ - name: Checkout sourcecode
+ uses: actions/checkout@v3
+
+ - name: Cache Local Maven Repository
+ uses: actions/cache@v3
+ with:
+ path: ~/.m2/repository
+ key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+ restore-keys: |
+ ${{ runner.os }}-maven-
+
+ - name: Setup Java 8 (1/2)
+ uses: actions/setup-java@v3
+ with:
+ distribution: 'adopt'
+ java-version: 8
+ - name: Setup Java 8 (2/2)
+ run: echo "JAVA_8=$JAVA_HOME" >> $GITHUB_ENV
+
+ - name: Setup Java 19 (1/2)
+ uses: actions/setup-java@v3
+ with:
+ distribution: 'adopt'
+ java-version: 19
+ - name: Setup Java 19 (2/2)
+ run: echo "JAVA_19=$JAVA_HOME" >> $GITHUB_ENV
+
+ - name: Setup Java 20 (1/2)
+ uses: actions/setup-java@v3
+ with:
+ distribution: 'adopt'
+ java-version: 20
+ - name: Setup Java 20 (2/2)
+ run: echo "JAVA_20=$JAVA_HOME" >> $GITHUB_ENV
+
+ - name: Setup Java 17 (1/2)
+ uses: actions/setup-java@v3
+ with:
+ distribution: 'adopt'
+ java-version: 17
+ - name: Setup Java 17 (2/2)
+ run: echo "JAVA_17=$JAVA_HOME" >> $GITHUB_ENV
+
+ # The LAST Java in the list becomes the default (because each overwrites the settings)!
+ - name: Setup Java 21 (1/2)
+ uses: actions/setup-java@v3
+ with:
+ distribution: 'adopt'
+ java-version: 21
+ - name: Setup Java 21 (2/2)
+ run: echo "JAVA_21=$JAVA_HOME" >> $GITHUB_ENV
+
+ - name: Create toolchains.xml
+ shell: bash
+ run: |
+ mkdir -p $HOME/.m2 \
+ && cat << EOF > $HOME/.m2/toolchains.xml
+ <?xml version="1.0" encoding="UTF8"?>
+ <toolchains>
+ <toolchain>
+ <type>jdk</type>
+ <provides>
+ <version>8</version>
+ </provides>
+ <configuration>
+ <jdkHome>${{ env.JAVA_8 }}</jdkHome>
+ </configuration>
+ </toolchain>
+ <toolchain>
+ <type>jdk</type>
+ <provides>
+ <version>17</version>
+ </provides>
+ <configuration>
+ <jdkHome>${{ env.JAVA_17 }}</jdkHome>
+ </configuration>
+ </toolchain>
+ <toolchain>
+ <type>jdk</type>
+ <provides>
+ <version>19</version>
+ </provides>
+ <configuration>
+ <jdkHome>${{ env.JAVA_19 }}</jdkHome>
+ </configuration>
+ </toolchain>
+ <toolchain>
+ <type>jdk</type>
+ <provides>
+ <version>20</version>
+ </provides>
+ <configuration>
+ <jdkHome>${{ env.JAVA_20 }}</jdkHome>
+ </configuration>
+ </toolchain>
+ <toolchain>
+ <type>jdk</type>
+ <provides>
+ <version>21</version>
+ </provides>
+ <configuration>
+ <jdkHome>${{ env.JAVA_21 }}</jdkHome>
+ </configuration>
+ </toolchain>
+ </toolchains>
+ EOF
+
+ - name: Verify setup
+ shell: bash
+ run: |
+ echo "Showing currently installed Java versions:";\
+ echo "======================================";\
+ echo "Default Java"; \
+ java -version ; \
+ javac -version ; \
+ echo JAVA_HOME=${JAVA_HOME} ; \
+ echo "======================================";\
+ echo "Java 8"; \
+ ${{ env.JAVA_8 }}/bin/java -version ; \
+ ${{ env.JAVA_8 }}/bin/javac -version ; \
+ echo "======================================";\
+ echo "Java 17"; \
+ ${{ env.JAVA_17 }}/bin/java -version ; \
+ ${{ env.JAVA_17 }}/bin/javac -version ; \
+ echo "======================================";\
+ echo "Java 19"; \
+ ${{ env.JAVA_19 }}/bin/java -version ; \
+ ${{ env.JAVA_19 }}/bin/javac -version ; \
+ echo "======================================";\
+ echo "Java 20"; \
+ ${{ env.JAVA_20 }}/bin/java -version ; \
+ ${{ env.JAVA_20 }}/bin/javac -version ; \
+ echo "======================================";\
+ echo "Java 21"; \
+ ${{ env.JAVA_21 }}/bin/java -version ; \
+ ${{ env.JAVA_21 }}/bin/javac -version ; \
+ echo "======================================";\
+ cat $HOME/.m2/toolchains.xml; \
+ echo "======================================";
+
+ # Cache Sonar packages which as used to run analysis and collect metrics
+ - name: Cache SonarCloud packages
+ uses: actions/cache@v3
+ with:
+ path: ~/.sonar/cache
+ key: ${{ runner.os }}-sonar
+ restore-keys: ${{ runner.os }}-sonar
+
+ # Some tests need screen access
+ - name: Install xvfb
+ run: sudo apt-get install -y xvfb
+
+ - name: Build with Maven and run SonarQube analysis
+ run: xvfb-run ./mvnw -B clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -Dsonar.projectKey=tu-yucheng_taketoday-tutorial4j -Dsonar.organization=tuyucheng -Dsonar.host.url=https://sonarcloud.io -Dsonar.login=${{ secrets.SONAR_TOKEN }} -Pall
+ env:
+ # These two env variables are needed for sonar analysis
+ GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+ SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}