Starting git repo for working on files

module1/CMYKtoRGB.java

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+public class CMYKtoRGB
+{
+	public static void main(String [] args){
+		double cyan = Double.parseDouble(args[0]);
+		double magenta = Double.parseDouble(args[1]);
+		double yellow = Double.parseDouble(args[2]);
+		double black = Double.parseDouble(args[3]);
+
+		double white = 1 - black;
+		double red = 255 * white * (1 - cyan);
+		double green = 255 * white * (1 - magenta);
+		double blue = 255 * white * (1 - yellow);
+
+		int decimal_red = (int) Math.round(red);
+		int decimal_green = (int) Math.round(green);
+		int decimal_blue = (int) Math.round(blue);
+
+		System.out.println("red    = " + decimal_red);
+		System.out.println("green  = " + decimal_green);
+		System.out.println("blue   = " + decimal_blue);
+	}
+}
+	

module1/GreatCircle.java

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+public class GreatCircle 
+{
+	public static void main(String [] args){
+
+
+		double x1 = Math.toRadians(Double.parseDouble(args[0]));
+		double y1 = Math.toRadians(Double.parseDouble(args[1]));
+		double x2 = Math.toRadians(Double.parseDouble(args[2]));
+		double y2 = Math.toRadians(Double.parseDouble(args[3]));
+		
+		double t1 = (x2 - x1) / 2.0;
+		double t2 = (y2 - y1) / 2.0;
+		double q1 = Math.pow(Math.sin(t1), 2);
+		double q2 = Math.pow(Math.sin(t2), 2);
+
+		double as = q1 + (Math.cos(x1) * Math.cos(x2) *  q2);
+		double sq = Math.sqrt(as);
+
+		double distance = 2 * 6371.0 * Math.asin(sq);
+
+		System.out.println(distance + " kilometers");
+	}	
+}

module1/HelloGoodbye.java

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+public class HelloGoodbye
+{
+	public static void main(String [] args){
+		String name1 = args[0];
+		String name2 = args[1];
+
+		System.out.println("Hello " + name2 + " and " + name1 + ".");
+		System.out.println("Goodbye " + name2 + " and " + name1 + ".");
+	}
+}

module1/HelloWorld.java

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+public class HelloWorld {
+    public static void main(String [] args)
+    {
+        System.out.println("Hello, World");
+    }
+}

module1/RightTriangle.java

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+public class RightTriangle
+{
+	public static void main(String [] args){
+		int a = Integer.parseInt(args[0]);
+		int b = Integer.parseInt(args[1]);
+		int c = Integer.parseInt(args[2]);
+		boolean isPositive;
+		boolean isSquare;
+		boolean result;
+
+		isPositive = (a >= 0) && (b >= 0) && (c >= 0);
+		int square_a = a * a;
+		int square_b = b * b;
+		int square_c = c * c;
+		isSquare = ( square_a + square_b) == square_c || (square_b + square_c) == square_a || (square_a + square_c) == square_b;
+		result = isPositive && isSquare;
+
+		System.out.println(result);
+	}
+}

module2/BandMatrix.java

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+public class BandMatrix
+{
+    public static void main(String[] args)
+    {
+        int n = Integer.parseInt(args[0]);
+        int width = Integer.parseInt(args[1]);
+
+        for (int i = 0; i < n; i++)
+        {
+            for (int j = 0; j < n; j++)
+            {
+                if ((j - i <= width) && (i -j <= width))
+                {
+                    System.out.print(" * ");
+                }
+                else
+                {
+                    System.out.print(" 0 ");
+                }
+            }
+            System.out.println("\n");
+        }
+    }
+}

module2/GeneralizedHarmonic.java

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+public class GeneralizedHarmonic
+{
+    public static void main(String[] args)
+    {
+        int n = Integer.parseInt(args[0]);
+        int r = Integer.parseInt(args[1]);
+        if (r >= 0 && n >= 0)
+        {
+            double h = 0;
+            double breuk = 0;
+            for (int i = 1; i <= n; i++ )
+            {
+                breuk = 1/(Math.pow(i,r));
+                h += breuk;
+            }
+            System.out.println(h);
+        }
+        else
+        {
+            System.out.println("Negative number in one of the arguments");
+        }       
+    }
+}

module2/RandomWalker.java

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+public class RandomWalker
+{
+    public static void main(String[] args)
+    {
+        int r = Integer.parseInt(args[0]);
+
+        int xCoordinate = 0;
+        int yCoordinate = 0;
+        int steps = 0;
+
+        System.out.println("(" + xCoordinate + ", " + yCoordinate + ")" );
+        
+        while(Math.abs(xCoordinate) + Math.abs(yCoordinate) < r)
+        {
+            if(Math.random() <= 0.25)       xCoordinate += 1;
+            else if (Math.random() <= 0.50) xCoordinate -= 1;
+            else if (Math.random() <= 0.75) yCoordinate += 1;
+            else                            yCoordinate -= 1;
+
+            System.out.println("(" + xCoordinate + ", " + yCoordinate + ")" );
+            steps++; 
+        }
+        System.out.println("steps = " + steps);
+    }
+}

module2/RandomWalkers.java

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+public class RandomWalkers
+{
+    public static void main(String[] args)
+    {
+        int r = Integer.parseInt(args[0]);
+        int trials = Integer.parseInt(args[1]);
+        
+        int xCoordinate = 0;
+        int yCoordinate = 0;
+        int steps = 0;
+        double average = 0;
+
+        //System.out.println("(" + xCoordinate + ", " + yCoordinate + ")" );
+
+        for(int i = 1; i <= trials; i++)
+        {
+            while(Math.abs(xCoordinate) + Math.abs(yCoordinate) < r)
+            {
+                if(Math.random() <= 0.25)       xCoordinate += 1;
+                else if (Math.random() <= 0.50) xCoordinate -= 1;
+                else if (Math.random() <= 0.75) yCoordinate += 1;
+                else                            yCoordinate -= 1;
+
+                //System.out.println("(" + xCoordinate + ", " + yCoordinate + ")" );
+                steps++; 
+            }
+        }
+        average = (float) steps / trials; 
+        System.out.println("average number of steps = " + average);
+    }
+}