日考8_7

.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/$PROJECT_FILE$

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AnalysisProjectProfileManager">
+    <option name="PROJECT_PROFILE" />
+    <option name="USE_PROJECT_LEVEL_SETTINGS" value="false" />
+    <list size="0" />
+  </component>
+  <component name="SuppressionsComponent">
+    <option name="suppComments" value="[]" />
+  </component>
+</project>

.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

.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" native2AsciiForPropertiesFiles="true" 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="CodeInsightWorkspaceSettings">
+    <option name="optimizeImportsOnTheFly" value="true" />
+  </component>
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="SuppressionsComponent">
+    <option name="suppComments" value="[]" />
+  </component>
+</project>

.idea/qaplug_profiles.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AnalysisProjectProfileManager">
+    <option name="PROJECT_PROFILE" value="Project Default" />
+    <option name="USE_PROJECT_LEVEL_SETTINGS" value="false" />
+    <scopes />
+    <profiles>
+      <profile profile_name="Project Default" version="1.0" is_locked="false" />
+    </profiles>
+    <list size="0" />
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </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>rikao8_7</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

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

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+package com.bwie;
+
+//TIP 要<b>运行</b>代码，请按 <shortcut actionId="Run"/> 或
+// 点击装订区域中的 <icon src="AllIcons.Actions.Execute"/> 图标。
+public class Main {
+    public static void main(String[] args) {
+
+
+    }
+}

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

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+package com.bwie.pojo;
+
+import java.math.BigDecimal;
+
+public class Tar {
+    private BigDecimal num= BigDecimal.valueOf(1);
+    private BigDecimal num2=BigDecimal.valueOf(3);
+    private BigDecimal num3=BigDecimal.valueOf(5);
+    private BigDecimal num4=BigDecimal.valueOf(6);
+
+
+    public Tar() {
+    }
+
+    public Tar(BigDecimal num, BigDecimal num2, BigDecimal num3, BigDecimal num4) {
+        this.num = num;
+        this.num2 = num2;
+        this.num3 = num3;
+        this.num4 = num4;
+    }
+
+    public BigDecimal getNum() {
+        return num;
+    }
+
+    public void setNum(BigDecimal num) {
+        this.num = num;
+    }
+
+    public BigDecimal getNum2() {
+        return num2;
+    }
+
+    public void setNum2(BigDecimal num2) {
+        this.num2 = num2;
+    }
+
+    public BigDecimal getNum3() {
+        return num3;
+    }
+
+    public void setNum3(BigDecimal num3) {
+        this.num3 = num3;
+    }
+
+    public BigDecimal getNum4() {
+        return num4;
+    }
+
+    public void setNum4(BigDecimal num4) {
+        this.num4 = num4;
+    }
+    public  static   void  main(String[] args) {
+        Tar tar = new Tar();
+
+        //加
+        BigDecimal add = tar.num.add(tar.num2);
+        //减
+        BigDecimal subtract = tar.num2.subtract(tar.num3);
+        //除
+        BigDecimal divide = tar.num4.divide(tar.num2);
+        //乘
+        BigDecimal multiply = tar.num2.multiply(tar.num3);
+
+        System.out.println(add+"++"+subtract+"===="+divide+"+++++"+multiply);
+
+    }
+
+
+
+
+
+}