From c67a963b0ce938fad2475f75d17cfbb4366b5df4 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 19 Jul 2026 16:31:48 +0800
Subject: [PATCH] =?UTF-8?q?day06-=E9=9D=A2=E5=90=91=E5=AF=B9=E8=B1=A1?=
 =?UTF-8?q?=E7=9A=84=E6=A1=88=E4=BE=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 day06/src/com/inmind/test04/Book.java   | 65 +++++++++++++++++++++++++
 day06/src/com/inmind/test04/Test05.java | 27 ++++++++++
 2 files changed, 92 insertions(+)
 create mode 100644 day06/src/com/inmind/test04/Book.java

diff --git a/day06/src/com/inmind/test04/Book.java b/day06/src/com/inmind/test04/Book.java
new file mode 100644
index 0000000..e6fce34
--- /dev/null
+++ b/day06/src/com/inmind/test04/Book.java
@@ -0,0 +1,65 @@
+package com.inmind.test04;
+/*
+定义一个图书Book类。
+
+  - 属性：图书编号，书名，价格，出版日期
+  - 构造方法：
+    - 无参构造方法，满参构造方法
+  - 成员方法：
+    - get/set方法
+    - showBook方法，输出图书信息
+ */
+public class Book {
+    //属性：图书编号，书名，价格，出版日期
+    private String bookId;
+    private String name;
+    private double price;
+    private String publishDate;
+
+    //无参构造方法：创建书对象，对属性赋了默认值
+    public Book() {
+    }
+    //满参构造方法：创建书对象，并给所有属性赋值
+    public Book(String bookId, String name, double price, String publishDate) {
+        this.bookId = bookId;
+        this.name = name;
+        this.price = price;
+        this.publishDate = publishDate;
+    }
+    //get/set方法
+    public String getBookId() {
+        return this.bookId;
+    }
+
+    public void setBookId(String bookId) {
+        this.bookId = bookId;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public double getPrice() {
+        return this.price;
+    }
+
+    public void setPrice(double price) {
+        this.price = price;
+    }
+
+    public String getPublishDate() {
+        return this.publishDate;
+    }
+
+    public void setPublishDate(String publishDate) {
+        this.publishDate = publishDate;
+    }
+    //自定义成员方法
+    public void showBook(){
+        System.out.println("编号："+this.bookId+"，书名："+this.name+"，价格："+this.price+"，出版日期："+this.publishDate);
+    }
+}
diff --git a/day06/src/com/inmind/test04/Test05.java b/day06/src/com/inmind/test04/Test05.java
index 84e46bb..5149361 100644
--- a/day06/src/com/inmind/test04/Test05.java
+++ b/day06/src/com/inmind/test04/Test05.java
@@ -1,4 +1,6 @@
 package com.inmind.test04;
+
+
 /*
 * 最贵的书。
 * 定义一个图书Book类。
@@ -13,4 +15,29 @@ package com.inmind.test04;
 * 定义测试类，使用满参构造方法，创建三(多)个Book对象，判断价格最贵的图书（存放书的数组的遍历），并输出图书信息。
  */
 public class Test05 {
+    public static void main(String[] args) {
+        //使用满参构造方法，创建三(多)个Book对象
+        Book b1 = new Book("B001", "java从入门到崩溃", 99.9, "2020-01-01");
+        Book b2 = new Book("C003", "数据库从删库到跑路", 59.9, "2022-01-01");
+        Book b3 = new Book("D005", "python-AI大模型开发", 299.9, "2025-01-01");
+        //判断价格最贵的图书（存放书的数组的遍历）
+        //定义一个存放图书的数组
+//        Book[] bookArr = new Book[]{b1,b2,b3};
+        Book[] bookArr = {b1,b2,b3};
+        //遍历数组，求最贵的图书
+        Book maxBook = bookArr[0];
+        for (int i = 1; i < bookArr.length; i++) {
+            //获取当前遍历的图书
+            Book book = bookArr[i];
+            /*double currentPrice = book.getPrice();
+            double maxBookPrice = maxBook.getPrice();
+            if (currentPrice > maxBookPrice){*/
+            if (book.getPrice() > maxBook.getPrice()){
+                //将当前的书，修改为，最贵的书
+                maxBook = book;
+            }
+        }
+        //遍历结束，最贵的书就是maxBook
+        maxBook.showBook();
+    }
 }