2power n 20170001

Main.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package pkg2powern;
+/**
+ *
+Ebtsam FATHY
+*/
+  import java.util.Scanner;
+
+public class Main {
+
+    /**
+     * @param args the command line arguments
+     */
+
+
+    public static void main(String[] args) {
+
+      int N,pow;
+      int Result=1;
+      Scanner sc=new Scanner(System.in);
+      System.out.println("enter the number");
+      N=sc.nextInt();
+       System.out.println("enter the power");
+      pow=sc.nextInt();
+      if(N>=0&&pow==0){
+          Result=1;
+      }
+      if(N==0&&pow>=1){
+          Result=0;
+      }
+      else{
+          int i=1;
+          while(i<=pow){
+              Result=Result*N;
+              i++;
+          }
+      }
+      System.out.println( N+"^"+pow+"="+Result);
+
+      }
+    }
+
+

src/CircleCircumference.java

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+
+public class CircleCircumference implements ISubscriber {
+
+	@Override
+	public void notifySubscriber(String input) {
+		// TODO Auto-generated method stub
+		double r=Double.parseDouble(input);
+		System.out.println("circle circumference = "+(2*3.14*r));
+	}
+
+}

src/LucasSeries.java

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+public class LucasSeries implements ISubscriber {
+    public static int lucas_series(int number) { 
+        if (number == 0) 
+            return 2; 
+        if (number == 1) 
+            return 1; 
+        return lucas_series(number - 1) + lucas_series(number - 2); 
+    } 
+
+    @Override
+    public void notifySubscriber(String input) {
+       int Lenght = Integer.parseInt(input);
+       System.out.println("Hello, I am really a simple Lucas series and I am notified with " + input);
+       System.out.println("LUcas Number Is : "+lucas_series(Lenght));
+    }
+
+}

src/SphereCircumference.java

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+
+public class SphereCircumference implements ISubscriber {
+
+	 public void notifySubscriber(String input) {
+	        double R = Double.parseDouble(input);
+	        System.out.println("Sphere Circumference is  = " + (2*3.14*R));
+}
+}