diff --git "a/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Child.java" "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Child.java"
new file mode 100644
index 0000000..2b62565
--- /dev/null
+++ "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Child.java"
@@ -0,0 +1,18 @@
+package extends1.super1;
+
+public class Child extends Parent {
+    public String value = "child";
+
+    @Override
+    public void hello() {
+        System.out.println("Child.hello");
+    }
+
+    public void call() {
+        System.out.println("this value = " + this.value);   // this 생략 가능
+        System.out.println("super value = " + super.value);
+
+        this.hello();   // this 생략 가능
+        super.hello();
+    }
+}
diff --git "a/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Parent.java" "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Parent.java"
new file mode 100644
index 0000000..4987ab5
--- /dev/null
+++ "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Parent.java"
@@ -0,0 +1,9 @@
+package extends1.super1;
+
+public class Parent {
+    public String value = "parent";
+
+    public void hello() {
+        System.out.println("Parent.hello");
+    }
+}
diff --git "a/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Super1Main.java" "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Super1Main.java"
new file mode 100644
index 0000000..cbb1d6e
--- /dev/null
+++ "b/\352\271\200\354\225\204\353\246\260/java-basic/src/extends1/super1/Super1Main.java"
@@ -0,0 +1,8 @@
+package extends1.super1;
+
+public class Super1Main {
+    public static void main(String[] args) {
+        Child child = new Child();
+        child.call();
+    }
+}