最终版1.3 增加README

.idea/artifacts/MathLearningApp_jar.xml

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+<component name="ArtifactManager">
+  <artifact type="jar" name="MathLearningApp:jar">
+    <output-path>$PROJECT_DIR$/out/artifacts/MathLearningApp_jar</output-path>
+    <root id="archive" name="MathLearningApp.jar">
+      <element id="directory" name="META-INF">
+        <element id="file-copy" path="$PROJECT_DIR$/out/META-INF/MANIFEST.MF" />
+      </element>
+      <element id="module-output" name="MathLearningApp" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/sun/mail/javax.mail/1.6.2/javax.mail-1.6.2.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/at/favre/lib/bcrypt/0.9.0/bcrypt-0.9.0.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/at/favre/lib/bytes/1.3.0/bytes-1.3.0.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.15.2/jackson-datatype-jsr310-2.15.2.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-core/2.15.2/jackson-core-2.15.2.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/javax/activation/activation/1.1/activation-1.1.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-databind/2.15.2/jackson-databind-2.15.2.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/fasterxml/jackson/core/jackson-annotations/2.15.2/jackson-annotations-2.15.2.jar" path-in-jar="/" />
+    </root>
+  </artifact>
+</component>

out/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: mathlearning.App
+