diff --git a/Arvutus.class b/Arvutus.class
new file mode 100644
index 0000000..a421491
Binary files /dev/null and b/Arvutus.class differ
diff --git a/Arvutus.java b/Arvutus.java
new file mode 100644
index 0000000..5c42a9e
--- /dev/null
+++ b/Arvutus.java
@@ -0,0 +1,15 @@
+import java.util.Scanner;
+
+public class Arvutus{
+	public static void main(String[] args){
+		Scanner sc = new Scanner(System.in);
+		System.out.println("Sisesta silindri korgus: ");
+		double h=sc.nextDouble();
+		
+		System.out.println("Sisesta silindri raadius: ");
+		double r=sc.nextDouble();
+		
+		Liides pindala = new TaisPindala();
+		System.out.println("Silindri taispindala on: "+ pindala.arvutus(h, r));
+	}
+}
\ No newline at end of file
diff --git a/Liides.class b/Liides.class
new file mode 100644
index 0000000..948b5c9
Binary files /dev/null and b/Liides.class differ
diff --git a/Liides.java b/Liides.java
new file mode 100644
index 0000000..693ba03
--- /dev/null
+++ b/Liides.java
@@ -0,0 +1,3 @@
+public interface Liides{
+	public double arvutus(double x, double y);
+}
\ No newline at end of file
diff --git a/TaisPindala.class b/TaisPindala.class
new file mode 100644
index 0000000..cfc52d2
Binary files /dev/null and b/TaisPindala.class differ
diff --git a/TaisPindala.java b/TaisPindala.java
new file mode 100644
index 0000000..c3aa5e5
--- /dev/null
+++ b/TaisPindala.java
@@ -0,0 +1,5 @@
+public class TaisPindala implements Liides{
+	public double arvutus(double h, double r){
+		return (2*Math.PI*Math.pow(r,2)) + (2*Math.PI*h);
+	}
+}
\ No newline at end of file