first commit

RecurringRainfall/Java/recurringrainfall.java

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+class recurringrainfall
+{ 
+	private static int GetNextInt()
+	{
+		while (true)
+		{
+			System.out.print("Enter rainfall int, 99999 to quit: ");
+			String input = System.console().readLine();
+        
+			try
+			{
+				int n = Integer.parseInt(input);
+				return n;
+			}
+			catch (Exception e)
+			{
+				System.out.println("Invalid input");
+			}
+		}
+	}
+	
+    private static void recurringRainfall() {
+		float currentAverage = 0;
+		int currentEntryNumber = 0;
+		
+		while (true) {
+			int entry = GetNextInt();
+			
+			if (entry == 99999)
+				return;
+			
+			currentEntryNumber++;
+			currentAverage = currentAverage + ((float)1/currentEntryNumber)*entry - ((float)1/currentEntryNumber)*currentAverage;
+			
+			System.out.println("New Average: " + currentAverage);
+		}
+    }
+    
+    public static void main(String args[]) { 
+        recurringRainfall();
+    } 
+}