From 4efb7a4ff68434b6ebde581a27dfcf23bc641946 Mon Sep 17 00:00:00 2001
From: arinming <jyandysys1@naver.com>
Date: Tue, 16 Jan 2024 22:19:46 +0900
Subject: [PATCH] =?UTF-8?q?[Week2][Chap9]=20super=20-=20=EC=83=9D=EC=84=B1?=
 =?UTF-8?q?=EC=9E=90=20(#15)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java-basic/src/extends1/super2/ClassA.java"     |  8 ++++++++
 .../java-basic/src/extends1/super2/ClassB.java"     | 13 +++++++++++++
 .../java-basic/src/extends1/super2/ClassC.java"     |  8 ++++++++
 .../java-basic/src/extends1/super2/Super2Main.java" |  9 +++++++++
 4 files changed, 38 insertions(+)
 create mode 100644 "\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassA.java"
 create mode 100644 "\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassB.java"
 create mode 100644 "\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassC.java"
 create mode 100644 "\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/Super2Main.java"

diff --git "a/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassA.java" "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassA.java"
new file mode 100644
index 0000000..df45103
--- /dev/null
+++ "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassA.java"
@@ -0,0 +1,8 @@
+package extends1.super2;
+
+public class ClassA {
+
+    public ClassA() {
+        System.out.println("ClassA 생성자");
+    }
+}
diff --git "a/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassB.java" "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassB.java"
new file mode 100644
index 0000000..ac8305b
--- /dev/null
+++ "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassB.java"
@@ -0,0 +1,13 @@
+package extends1.super2;
+
+public class ClassB extends ClassA {
+    public ClassB(int a) {
+        this(a, 0);    // 매개 변수가 없는 기본 생성자는 생략 가능
+        System.out.println("ClassB 생성자 a = " + a);
+    }
+
+    public ClassB(int a, int b) {
+        super();    // 생략 가
+        System.out.println("ClassB 생성자 a = " + a + " b = " + b);
+    }
+}
diff --git "a/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassC.java" "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassC.java"
new file mode 100644
index 0000000..8f22a11
--- /dev/null
+++ "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/ClassC.java"
@@ -0,0 +1,8 @@
+package extends1.super2;
+
+public class ClassC extends ClassB {
+    public ClassC() {
+        super(10, 20);  // 부모에게 기본 생성자가 있으므로 생략 불가
+        System.out.println("ClassC 생성자");
+    }
+}
diff --git "a/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/Super2Main.java" "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/Super2Main.java"
new file mode 100644
index 0000000..8d69b7a
--- /dev/null
+++ "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super2/Super2Main.java"
@@ -0,0 +1,9 @@
+package extends1.super2;
+
+public class Super2Main {
+    public static void main(String[] args) {
+//        ClassC classC = new ClassC();
+
+        ClassB classB = new ClassB(100);
+    }
+}