Merge pull request DSC-UB#19 from nDZIB/master

first pr

Author: allenbangai

Difficult01/Question 2.18/TOD.java

@@ -0,0 +1,8 @@
+//print the word: "TOD" using asterisks
+public class TOD {
+
+	public static void main(String[] args) {
+		String tod = "*** *** **\n *  * * * *\n *  *** **\n";
+		System.out.println(tod);
+	}
+}

Difficult01/Question 2.19/Circle.java

@@ -0,0 +1,35 @@
+import java.util.Scanner;
+
+public class Circle {
+	
+	private Scanner keyboardInput;
+	private int circleRadius;
+	private int circleDiameter;
+	private double circleCircumference;
+	private double circleArea;
+
+	public Circle() {
+		keyboardInput = new Scanner(System.in);
+		System.out.println("Enter the Circle's radius");
+		circleRadius = keyboardInput.nextInt();
+		circleDiameter = circleRadius*2;
+		circleCircumference = circleDiameter*Math.PI;
+		circleArea = circleRadius*circleRadius*Math.PI;
+
+	}
+
+	
+	@Override
+	public String toString() {
+		return String.format("Circle Details\n Diameter: %d"+
+			"\n Circumference: %.3f\n Area: %.3f", 
+			circleDiameter, circleCircumference, circleArea);
+	}
+
+	public static void main(String[] args) {
+		Circle circle = new Circle();
+
+		System.out.println(circle.toString());
+		
+	}
+}

Difficult01/Question 2.20/SplitNumber.java

@@ -0,0 +1,31 @@
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class SplitNumber{
+	
+	private Scanner keyboardInput;
+	private int testNumber;
+
+	public SplitNumber() {
+		keyboardInput = new Scanner(System.in);
+		
+		System.out.println("Enter the number to split");
+		testNumber = keyboardInput.nextInt();
+
+		//get a number say 697
+		int highestPlaceValue = (int)Math.pow(10, (Integer.toString(testNumber)).length());
+		List<Integer> integers = new ArrayList<Integer>();
+
+		for(int i=1; i<highestPlaceValue; i=i*10) {
+			int temp = testNumber/10;
+			integers.add(0, testNumber%10);
+			testNumber = temp;
+		}
+		System.out.println(integers);		
+	}
+
+	public static void main(String[] args) {
+		SplitNumber numberSplit = new SplitNumber();
+	}
+}