sec 2 - example2

hongjuzzang · Jul 15, 2020 · 4940c0d · 4940c0d
1 parent 54e3060
commit 4940c0d
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/02_Adapter/src/example/AdapterImpl.java b/02_Adapter/src/example/AdapterImpl.java
@@ -2,15 +2,17 @@
 
 public class AdapterImpl implements Adapter {
 
+	// 인터페이스를 이용해서 타입을 변경해서 사용하고 다시 원하는 타입으로 변경  
 	@Override
 	public Float twiceOf(Float f) {
 		// TODO Auto-generated method stub
-		return (float) Math.twoTime(f.doubleValue());
+		return Math.doubled(f.doubleValue()).floatValue();
 	}
 
 	@Override
 	public Float halfOf(Float f) {
 		// TODO Auto-generated method stub
+		System.out.println("절반 함수 호출");
 		return (float) Math.half(f.doubleValue());
 	}
 

diff --git a/02_Adapter/src/example/Main.java b/02_Adapter/src/example/Main.java
@@ -9,6 +9,10 @@ public static void main(String[] args) {
 
 		System.out.println(adapter.twiceOf(100f));
 		System.out.println(adapter.halfOf(88f));
+		System.out.println(adapter.halfOf(48f));
+		System.out.println(adapter.halfOf(28f));
+		System.out.println(adapter.halfOf(38f));
+		System.out.println(adapter.halfOf(18f));
 	}
 
 }