7.25日考

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" defaultCharsetForPropertiesFiles="UTF-8">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.bwie</groupId>
+    <artifactId>day_exam_7.25</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <parent>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <groupId>org.springframework.boot</groupId>
+        <version>2.6.2</version>
+        <relativePath/>
+    </parent>
+
+
+    <dependencies>
+
+
+        <!-- lombok依赖 -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+
+
+
+
+    </dependencies>
+
+</project>

src/main/java/com/bwie/Main.java

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+package com.bwie;
+
+
+
+
+
+public class Main {
+    public static void main(String[] args) {
+
+    }
+}

src/main/java/com/bwie/pojo/Stu.java

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+package com.bwie.pojo;
+
+import lombok.Data;
+
+@Data
+public class Stu {
+    private String id;
+    private String name;
+    private String sex;
+    private String age;
+    private String score;
+}

src/main/java/com/bwie/stuTest/StuText.java

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+package com.bwie.stuTest;
+
+import com.bwie.pojo.Stu;
+
+import java.util.HashMap;
+
+
+public class StuText
+{
+    public static void main(String[] args) {
+        HashMap<String, Object> map = new HashMap<>();
+        Stu stu = new Stu();
+        stu.setId("1");
+        stu.setName("tom");
+        stu.setSex("boy");
+        stu.setAge("19");
+        stu.setScore("90");
+
+        Stu stu2 = new Stu();
+        stu2.setId("1");
+        stu2.setName("rose");
+        stu2.setSex("boy");
+        stu2.setAge("19");
+        stu2.setScore("90");
+
+        map.put("1",stu);
+        map.put("2",stu2);
+        System.out.println(map.get("1"));
+        System.out.println(map.get("2"));
+
+
+        map.forEach((s, o) -> {
+            System.out.println(o);
+        });
+
+
+
+
+    }
+
+
+
+
+
+
+
+
+}