commit d1a4bddc45fa516bc554f19d45a294abe0142f61
Author: bai <173792339@qq.com>
Date: Thu Jul 25 09:15:37 2024 +0800
ria_07
diff --git a/.gitignore b/.gitignore
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+++ b/.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
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diff --git a/.idea/.gitignore b/.idea/.gitignore
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+++ b/.idea/.gitignore
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+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
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+++ b/.idea/encodings.xml
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+
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diff --git a/.idea/misc.xml b/.idea/misc.xml
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+++ b/.idea/misc.xml
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+
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+
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diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
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+++ b/.idea/uiDesigner.xml
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diff --git a/.idea/vcs.xml b/.idea/vcs.xml
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+++ b/.idea/vcs.xml
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diff --git a/pom.xml b/pom.xml
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+++ b/pom.xml
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+
+
+ 4.0.0
+
+ com.bwie
+ ria_07
+ 1.0-SNAPSHOT
+
+
+ 8
+ 8
+ UTF-8
+
+
+
diff --git a/src/main/java/com/bwie/Main.java b/src/main/java/com/bwie/Main.java
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+++ b/src/main/java/com/bwie/Main.java
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+package com.bwie;
+
+import java.util.HashMap;
+import java.util.Set;
+
+public class Main {
+ public static void main(String[] args) {
+// 创建HashMap对象
+ HashMap map = new HashMap<>();
+ Student stu1 = new Student( 1, "AAA", "男", 100 );
+ Student stu2 = new Student( 2, "BBB", "女", 98 );
+ map.put( "1",stu1 );
+ map.put( "2",stu2 );
+ //1
+ Set strings = map.keySet();
+ for (String s : strings) {
+ Student sutdent = map.get( s );
+ System.out.println(sutdent);
+ }
+ //2
+ System.out.println(2222222);
+ int size = map.size();
+ for (int i = 1; i < size; i++) {
+ Student sutdent = map.get( "1" );
+ Student sutdent2 = map.get( "2");
+ System.out.println(sutdent);
+ System.out.println(sutdent2);
+
+ }
+ //3
+ System.out.println(333333333);
+ for (Student value : map.values()) {
+ System.out.println(value);
+ }
+
+ }
+}
diff --git a/src/main/java/com/bwie/Student.java b/src/main/java/com/bwie/Student.java
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+++ b/src/main/java/com/bwie/Student.java
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+package com.bwie;
+
+public class Student {
+ private Integer stuId;
+ private String stuName;
+ private String stuSex;
+ private Integer stuScore;
+
+ public Student(Integer stuId, String stuName, String stuSex, Integer stuScore) {
+ this.stuId = stuId;
+ this.stuName = stuName;
+ this.stuSex = stuSex;
+ this.stuScore = stuScore;
+ }
+
+ public Student() {
+ }
+
+ @Override
+ public String toString() {
+ return "Student{" +
+ "stuId=" + stuId +
+ ", stuName='" + stuName + '\'' +
+ ", stuSex='" + stuSex + '\'' +
+ ", stuScore=" + stuScore +
+ '}';
+ }
+
+ public Integer getStuId() {
+ return stuId;
+ }
+
+ public void setStuId(Integer stuId) {
+ this.stuId = stuId;
+ }
+
+ public String getStuName() {
+ return stuName;
+ }
+
+ public void setStuName(String stuName) {
+ this.stuName = stuName;
+ }
+
+ public String getStuSex() {
+ return stuSex;
+ }
+
+ public void setStuSex(String stuSex) {
+ this.stuSex = stuSex;
+ }
+
+ public Integer getStuScore() {
+ return stuScore;
+ }
+
+ public void setStuScore(Integer stuScore) {
+ this.stuScore = stuScore;
+ }
+}