From 765691e6fa53bffeaf6ce81d1757597cffeab5f9 Mon Sep 17 00:00:00 2001
From: haerong22 <haerong22@naver.com>
Date: Sun, 7 Mar 2021 16:00:47 +0900
Subject: [PATCH] java oop : class, object, instance

---
 JavaOOP/src/Java13.java         | 25 +++++++++++++++++++++++++
 JavaOOP/src/object/BookDTO.java | 18 ++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 JavaOOP/src/Java13.java
 create mode 100644 JavaOOP/src/object/BookDTO.java

diff --git a/JavaOOP/src/Java13.java b/JavaOOP/src/Java13.java
new file mode 100644
index 00000000..00cce617
--- /dev/null
+++ b/JavaOOP/src/Java13.java
@@ -0,0 +1,25 @@
+import object.BookDTO;
+
+public class Java13 {
+    public static void main(String[] args) {
+        // 책 -> class(BookDTO) -> 객체 -> 인스턴스
+        String title = "자바";
+        int price = 25000;
+        String company = "출판사";
+        int page = 890;
+
+        // 데이터 이동을 쉽게 하기 위한 DTO
+        BookDTO dto; // dto (Object : 객체)
+        dto = new BookDTO(title, price, company, page); // dto (Instance : 인스턴스)
+
+        // 데이터 이동
+        bookPrint(dto);
+    }
+
+    public static void bookPrint(BookDTO dto) {
+        System.out.println(dto.title);
+        System.out.println(dto.price);
+        System.out.println(dto.company);
+        System.out.println(dto.page);
+    }
+}
diff --git a/JavaOOP/src/object/BookDTO.java b/JavaOOP/src/object/BookDTO.java
new file mode 100644
index 00000000..dfc0ec2e
--- /dev/null
+++ b/JavaOOP/src/object/BookDTO.java
@@ -0,0 +1,18 @@
+package object;
+
+public class BookDTO {
+    public String title;
+    public int price;
+    public String company;
+    public int page;
+
+    public BookDTO() {
+    }
+
+    public BookDTO(String title, int price, String company, int page) {
+        this.title = title;
+        this.price = price;
+        this.company = company;
+        this.page = page;
+    }
+}