diff --git a/design-pattern/gof/src/bridge/after/App.java b/design-pattern/gof/src/bridge/after/App.java
new file mode 100644
index 00000000..226fd908
--- /dev/null
+++ b/design-pattern/gof/src/bridge/after/App.java
@@ -0,0 +1,14 @@
+package bridge.after;
+
+public class App {
+
+    public static void main(String[] args) {
+        Champion kda아리 = new 아리(new KDA());
+        kda아리.move();
+        kda아리.skillQ();
+
+        Champion poolParty아리 = new 아리(new PoolParty());
+        poolParty아리.move();
+        poolParty아리.skillQ();
+    }
+}
diff --git a/design-pattern/gof/src/bridge/after/Champion.java b/design-pattern/gof/src/bridge/after/Champion.java
new file mode 100644
index 00000000..22b7c4cf
--- /dev/null
+++ b/design-pattern/gof/src/bridge/after/Champion.java
@@ -0,0 +1,15 @@
+package bridge.after;
+
+public interface Champion {
+
+    void move();
+
+    void skillQ();
+
+    void skillW();
+
+    void skillE();
+
+    void skillR();
+
+}
diff --git a/design-pattern/gof/src/bridge/after/DefaultChampion.java b/design-pattern/gof/src/bridge/after/DefaultChampion.java
new file mode 100644
index 00000000..912195e7
--- /dev/null
+++ b/design-pattern/gof/src/bridge/after/DefaultChampion.java
@@ -0,0 +1,37 @@
+package bridge.after;
+
+public class DefaultChampion implements Champion {
+
+    private Skin skin;
+    private String name;
+
+    public DefaultChampion(Skin skin, String name) {
+        this.skin = skin;
+        this.name = name;
+    }
+
+    @Override
+    public void move() {
+        System.out.printf("%s %s move\n", skin.getName(), this.name);
+    }
+
+    @Override
+    public void skillQ() {
+        System.out.printf("%s %s skill Q\n", skin.getName(), this.name);
+    }
+
+    @Override
+    public void skillW() {
+        System.out.printf("%s %s skill W\n", skin.getName(), this.name);
+    }
+
+    @Override
+    public void skillE() {
+        System.out.printf("%s %s skill E\n", skin.getName(), this.name);
+    }
+
+    @Override
+    public void skillR() {
+        System.out.printf("%s %s skill R\n", skin.getName(), this.name);
+    }
+}
diff --git a/design-pattern/gof/src/bridge/after/KDA.java b/design-pattern/gof/src/bridge/after/KDA.java
new file mode 100644
index 00000000..e557b5cb
--- /dev/null
+++ b/design-pattern/gof/src/bridge/after/KDA.java
@@ -0,0 +1,8 @@
+package bridge.after;
+
+public class KDA implements Skin {
+    @Override
+    public String getName() {
+        return "KDA";
+    }
+}
diff --git a/design-pattern/gof/src/bridge/after/PoolParty.java b/design-pattern/gof/src/bridge/after/PoolParty.java
new file mode 100644
index 00000000..59f54a7b
--- /dev/null
+++ b/design-pattern/gof/src/bridge/after/PoolParty.java
@@ -0,0 +1,8 @@
+package bridge.after;
+
+public class PoolParty implements Skin {
+    @Override
+    public String getName() {
+        return "PoolParty";
+    }
+}
diff --git a/design-pattern/gof/src/bridge/after/Skin.java b/design-pattern/gof/src/bridge/after/Skin.java
new file mode 100644
index 00000000..d54f4f0d
--- /dev/null
+++ b/design-pattern/gof/src/bridge/after/Skin.java
@@ -0,0 +1,5 @@
+package bridge.after;
+
+public interface Skin {
+    String getName();
+}
diff --git a/design-pattern/gof/src/bridge/after/아리.java b/design-pattern/gof/src/bridge/after/아리.java
new file mode 100644
index 00000000..57788dc9
--- /dev/null
+++ b/design-pattern/gof/src/bridge/after/아리.java
@@ -0,0 +1,8 @@
+package bridge.after;
+
+public class 아리 extends DefaultChampion {
+
+    public 아리(Skin skin) {
+        super(skin, "아리");
+    }
+}
diff --git a/design-pattern/gof/src/bridge/after/아칼리.java b/design-pattern/gof/src/bridge/after/아칼리.java
new file mode 100644
index 00000000..55a3bb81
--- /dev/null
+++ b/design-pattern/gof/src/bridge/after/아칼리.java
@@ -0,0 +1,8 @@
+package bridge.after;
+
+public class 아칼리 extends DefaultChampion {
+
+    public 아칼리(Skin skin) {
+        super(skin, "아칼리");
+    }
+}
diff --git a/design-pattern/gof/src/bridge/before/App.java b/design-pattern/gof/src/bridge/before/App.java
new file mode 100644
index 00000000..dfd6483e
--- /dev/null
+++ b/design-pattern/gof/src/bridge/before/App.java
@@ -0,0 +1,10 @@
+package bridge.before;
+
+public class App {
+
+    public static void main(String[] args) {
+        Champion kda아리 = new KDA아리();
+        kda아리.skillQ();
+        kda아리.skillR();
+    }
+}
diff --git a/design-pattern/gof/src/bridge/before/Champion.java b/design-pattern/gof/src/bridge/before/Champion.java
new file mode 100644
index 00000000..4f1c9fff
--- /dev/null
+++ b/design-pattern/gof/src/bridge/before/Champion.java
@@ -0,0 +1,15 @@
+package bridge.before;
+
+public interface Champion {
+
+    void move();
+
+    void skillQ();
+
+    void skillW();
+
+    void skillE();
+
+    void skillR();
+
+}
diff --git a/design-pattern/gof/src/bridge/before/KDA아리.java b/design-pattern/gof/src/bridge/before/KDA아리.java
new file mode 100644
index 00000000..fe324ea4
--- /dev/null
+++ b/design-pattern/gof/src/bridge/before/KDA아리.java
@@ -0,0 +1,30 @@
+package bridge.before;
+
+public class KDA아리 implements Champion {
+
+    @Override
+    public void move() {
+        System.out.println("KDA 아리 move");
+    }
+
+    @Override
+    public void skillQ() {
+        System.out.println("KDA 아리 Q");
+    }
+
+    @Override
+    public void skillW() {
+        System.out.println("KDA 아리 W");
+    }
+
+    @Override
+    public void skillE() {
+        System.out.println("KDA 아리 E");
+    }
+
+    @Override
+    public void skillR() {
+        System.out.println("KDA 아리 R");
+    }
+
+}
diff --git a/design-pattern/gof/src/bridge/before/KDA아칼리.java b/design-pattern/gof/src/bridge/before/KDA아칼리.java
new file mode 100644
index 00000000..9e2ff5af
--- /dev/null
+++ b/design-pattern/gof/src/bridge/before/KDA아칼리.java
@@ -0,0 +1,4 @@
+package bridge.before;
+
+public class KDA아칼리 {
+}
diff --git a/design-pattern/gof/src/bridge/before/KDA카이사.java b/design-pattern/gof/src/bridge/before/KDA카이사.java
new file mode 100644
index 00000000..f6f90633
--- /dev/null
+++ b/design-pattern/gof/src/bridge/before/KDA카이사.java
@@ -0,0 +1,4 @@
+package bridge.before;
+
+public class KDA카이사 {
+}
diff --git a/design-pattern/gof/src/bridge/before/PoolParty아리.java b/design-pattern/gof/src/bridge/before/PoolParty아리.java
new file mode 100644
index 00000000..89fdbab5
--- /dev/null
+++ b/design-pattern/gof/src/bridge/before/PoolParty아리.java
@@ -0,0 +1,30 @@
+package bridge.before;
+
+public class PoolParty아리 implements Champion {
+
+    @Override
+    public void move() {
+        System.out.println("PoolParty move");
+    }
+
+    @Override
+    public void skillQ() {
+        System.out.println("PoolParty Q");
+    }
+
+    @Override
+    public void skillW() {
+        System.out.println("PoolParty W");
+    }
+
+    @Override
+    public void skillE() {
+        System.out.println("PoolParty E");
+    }
+
+    @Override
+    public void skillR() {
+        System.out.println("PoolParty R");
+    }
+
+}
diff --git a/design-pattern/gof/src/bridge/before/PoolParty아칼리.java b/design-pattern/gof/src/bridge/before/PoolParty아칼리.java
new file mode 100644
index 00000000..9649c263
--- /dev/null
+++ b/design-pattern/gof/src/bridge/before/PoolParty아칼리.java
@@ -0,0 +1,4 @@
+package bridge.before;
+
+public class PoolParty아칼리 {
+}
diff --git a/design-pattern/gof/src/bridge/before/PoolParty카이사.java b/design-pattern/gof/src/bridge/before/PoolParty카이사.java
new file mode 100644
index 00000000..db8a4cde
--- /dev/null
+++ b/design-pattern/gof/src/bridge/before/PoolParty카이사.java
@@ -0,0 +1,4 @@
+package bridge.before;
+
+public class PoolParty카이사 {
+}