update

Task/Seven-sided-dice-from-five-sided-dice/Java/seven-sided-dice-from-five-sided-dice.java

@@ -0,0 +1,21 @@
+import java.util.Random;
+public class SevenSidedDice
+{
+	private static final Random rnd = new Random();
+	public static void main(String[] args)
+	{
+		SevenSidedDice now=new SevenSidedDice();
+		System.out.println("Random number from 1 to 7: "+now.seven());
+	}
+	int seven()
+	{
+		int v=21;
+		while(v>20)
+			v=five()+five()*5-6;
+		return 1+v%7;
+	}
+	int five()
+	{
+		return 1+rnd.nextInt(5);
+	}
+}