DN08

src/DN08.java

@@ -0,0 +1,82 @@
+public class DN08 {
+    static Lik[] liki;
+
+    public static void main(String[] args) {
+        liki = new Lik[args.length];
+        for (int i = 0; i < args.length; i++) {
+            String[] p = args[i].split(":");
+            switch (p[0]) {
+                case "kvadrat":
+                    liki[i] = new Kvadrat(Double.parseDouble(p[1]));
+                    break;
+                case "pravokotnik":
+                    liki[i] = new Pravokotnik(
+                            Double.parseDouble(p[1]),
+                            Double.parseDouble(p[2])
+                    );
+                    break;
+                case "nkotnik":
+                    liki[i] = new NKotnik(
+                            Integer.parseInt(p[1]),
+                            Double.parseDouble(p[2])
+                    );
+                    break;
+            }
+        }
+        System.out.println((int) skupniObseg());
+    }
+
+    static double skupniObseg() {
+        double obseg = 0;
+        for (Lik lik : liki) {
+            obseg += lik.obseg();
+        }
+        return obseg;
+    }
+}
+
+abstract class Lik {
+    abstract public double obseg();
+}
+
+class Pravokotnik extends Lik {
+    double visina, sirina;
+
+    Pravokotnik(double visina, double sirina) {
+        this.visina = visina;
+        this.sirina = sirina;
+    }
+
+    @Override
+    public double obseg() {
+        return 2 * visina + 2 * sirina;
+    }
+}
+
+class Kvadrat extends Lik {
+    double sirina;
+
+    Kvadrat(double sirina) {
+        this.sirina = sirina;
+    }
+
+    @Override
+    public double obseg() {
+        return 4 * sirina;
+    }
+}
+
+class NKotnik extends Lik {
+    int koti;
+    double dolzinaStranice;
+
+    NKotnik(int koti, double dolzinaStranice) {
+        this.koti = koti;
+        this.dolzinaStranice = dolzinaStranice;
+    }
+
+    @Override
+    public double obseg() {
+        return koti * dolzinaStranice;
+    }
+}