t07liides

Kasutus.java

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+import java.util.*;
+
+public class Kasutus{
+	public static void main(String[] arg){
+        Romb pindala = new Pindala();
+		Romb umbermoot = new Umbermoot();
+		Scanner scanning = new Scanner(System.in);
+
+		System.out.println("\nSisesta rombi külg: ");
+ 		double a=scanning.nextDouble();
+		System.out.println("Sisesta rombi 1 diagonaal: ");
+ 		double d1=scanning.nextDouble();
+		System.out.println("Sisesta rombi 2 diagonaal: ");
+ 		double d2=scanning.nextDouble();
+
+		System.out.println("\nRombi pindala on " + pindala.f(d1,d2,a));
+		System.out.println("Rombi umbermoot on " + umbermoot.f(a,d1,d2));
+
+    }
+}
+
+ /*
+ Sisesta rombi külg:
+3
+Sisesta rombi 1 diagonaal:
+4
+Sisesta rombi 2 diagonaal:
+5
+
+Rombi pindala on 10.0
+Rombi umbermoot on 12.0
+ */

Pindala.java

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+public class Pindala implements Romb{
+ 	public double f(double d1, double d2, double a){
+		return (d1*d2)/2;
+ 	}
+ } 

Romb.java

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+public interface Romb{
+    	public double f(double d1, double d2, double a);
+ } 

Umbermoot.java

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+public class Umbermoot implements Romb{
+ 	public double f(double a, double d1, double d2){
+ 		return 4*a;
+    }
+}