Stivo Sirel

Arvutus.java

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+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));
+	}
+}

Liides.java

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+public interface Liides{
+	public double arvutus(double x, double y);
+}

TaisPindala.java

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+public class TaisPindala implements Liides{
+	public double arvutus(double h, double r){
+		return (2*Math.PI*Math.pow(r,2)) + (2*Math.PI*h);
+	}
+}