4 files changed, 0 insertions, 49 deletions
diff --git a/oop/11-interfaces/.gitignore b/oop/11-interfaces/.gitignore
deleted file mode 100644
index 6b468b6..0000000
--- a/oop/11-interfaces/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*.class
diff --git a/oop/11-interfaces/BasicCalculator.java b/oop/11-interfaces/BasicCalculator.java
deleted file mode 100644
index f087d81..0000000
--- a/oop/11-interfaces/BasicCalculator.java
+++ /dev/null
@@ -1,15 +0,0 @@
-//public class BasicCalculator implements Calculator, ScientificCalculator {
-public class BasicCalculator implements Calculator {
-
-	public int add(int a, int b) {
-		return a + b;
-	}
-
-	public int subtract(int a, int b) {
-		return a - b;
-	}
-
-	public double divide(double a, double b) {
-		return a / b;
-	}
-}
diff --git a/oop/11-interfaces/Calculator.java b/oop/11-interfaces/Calculator.java
deleted file mode 100644
index aa716b0..0000000
--- a/oop/11-interfaces/Calculator.java
+++ /dev/null
@@ -1,24 +0,0 @@
-//abstract interface Calculator {
-interface Calculator {
-	public final static double PI = 3.14;
-
-	// double PI = 3.14;
-	// public static double PI = 3.14;
-	// public final double PI = 3.14;
-	// final double PI = 3.14;
-	// static double PI = 3.14;
-
-	public int add(int a, int b);
-	// int add(int a, int b);
-	// abstract int add(int a, int b);
-	// public abstract int add(int a, int b);
-
-	// static int add(int a, int b); // Not allowed
-	// int add(int a, int b); // Allowed
-	
-//	public int subtract(int a, int b);
-//	int subtract(int a, int b);
-	abstract int subtract(int a, int b);
-
-	public double divide(double a, double b);
-}
diff --git a/oop/11-interfaces/CalculatorTest.java b/oop/11-interfaces/CalculatorTest.java
deleted file mode 100644
index e2340dd..0000000
--- a/oop/11-interfaces/CalculatorTest.java
+++ /dev/null
@@ -1,9 +0,0 @@
-public class CalculatorTest {
-
-	public static void main(String[] args) {
-		Calculator cal = new BasicCalculator();
-
-		System.out.println(cal.add(1, 3));
-		//....
-	}
-}