diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..ef8a789
--- /dev/null
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,12 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.6
diff --git a/FindRange.java b/FindRange.java
index b662530..c91ccd6 100755
--- a/FindRange.java
+++ b/FindRange.java
@@ -1,16 +1,49 @@
-/*
- * File: FindRange.java
- * Name: 
- * Section Leader: 
- * --------------------
- * This file is the starter file for the FindRange problem.
- */
-
-import acm.program.*;
-
-public class FindRange extends ConsoleProgram {
-	public void run() {
-		/* You fill this in */
-	}
-}
-
+/*
+ * File: FindRange.java
+ * Name: 
+ * Section Leader: 
+ * --------------------
+ * This file is the starter file for the FindRange problem.
+ */
+
+import acm.program.*;
+
+//Program to find the largest and the smallest numbers
+
+public class FindRange extends ConsoleProgram {
+	
+	private int SENTINEL = 0;
+	
+	public void run() {
+		
+		println("This Program finds the largest and smallest numbers");
+		
+		int numberInput =1;
+		int largeNum = 0;
+		int smallNum = 1000000000;
+		
+		
+		
+		
+		while (numberInput!=0){
+			
+			if (numberInput == 0){
+			println("You have not entered any valid number");
+			} else {
+		numberInput = readInt("?");
+		
+										
+		if (numberInput > largeNum) {
+			largeNum = numberInput;
+		}
+		
+		if ((numberInput < smallNum) && (numberInput != SENTINEL)) {
+			smallNum = numberInput;
+		}
+		}
+		println ("Largest Number is " + largeNum);
+		println ("Smallest Number is " + smallNum);
+	}
+	}
+
+}
diff --git a/Hailstone.java b/Hailstone.java
index 2c7a16e..9a81146 100755
--- a/Hailstone.java
+++ b/Hailstone.java
@@ -1,16 +1,22 @@
-/*
- * File: Hailstone.java
- * Name: 
- * Section Leader: 
- * --------------------
- * This file is the starter file for the Hailstone problem.
- */
-
-import acm.program.*;
-
-public class Hailstone extends ConsoleProgram {
-	public void run() {
-		/* You fill this in */
-	}
-}
-
+/*
+ * File: Hailstone.java
+ * Name: 
+ * Section Leader: 
+ * --------------------
+ * This file is the starter file for the Hailstone problem.
+ */
+
+import acm.program.*;
+
+public class Hailstone extends ConsoleProgram {
+	public void run() {
+		
+		
+		int inputNumber = readInt("?");
+		
+		if (inputNumber != 0) {
+			//for (int i = 0; i<)
+		}
+	}
+}
+
diff --git a/ProgramHierarchy.java b/ProgramHierarchy.java
index b666b6d..85fe2d2 100755
--- a/ProgramHierarchy.java
+++ b/ProgramHierarchy.java
@@ -1,18 +1,31 @@
-/*
- * File: ProgramHierarchy.java
- * Name: 
- * Section Leader: 
- * ---------------------------
- * This file is the starter file for the ProgramHierarchy problem.
- */
-
-import acm.graphics.*;
-import acm.program.*;
-import java.awt.*;
-
-public class ProgramHierarchy extends GraphicsProgram {	
-	public void run() {
-		/* You fill this in. */
-	}
-}
-
+/*
+ * File: ProgramHierarchy.java
+ * Name: 
+ * Section Leader: 
+ * ---------------------------
+ * This file is the starter file for the ProgramHierarchy problem.
+ */
+
+import acm.graphics.*;
+import acm.program.*;
+import java.awt.*;
+
+public class ProgramHierarchy extends GraphicsProgram {	
+	public void run() {
+
+		int SENTINEL;
+		int n;
+		SENTINEL = readInt("Enter Sentinel Value - ");
+		
+		for (int i=0; i<SENTINEL; i++) {
+			n = readInt("?");
+			println(n);
+			if (n == SENTINEL){
+				break;
+				}
+			println("End of Program");
+		}
+		
+	}
+}
+
diff --git a/Pyramid.java b/Pyramid.java
index cf32252..1a89d0a 100755
--- a/Pyramid.java
+++ b/Pyramid.java
@@ -1,32 +1,66 @@
-/*
- * File: Pyramid.java
- * Name: 
- * Section Leader: 
- * ------------------
- * This file is the starter file for the Pyramid problem.
- * It includes definitions of the constants that match the
- * sample run in the assignment, but you should make sure
- * that changing these values causes the generated display
- * to change accordingly.
- */
-
-import acm.graphics.*;
-import acm.program.*;
-import java.awt.*;
-
-public class Pyramid extends GraphicsProgram {
-
-/** Width of each brick in pixels */
-	private static final int BRICK_WIDTH = 30;
-
-/** Width of each brick in pixels */
-	private static final int BRICK_HEIGHT = 12;
-
-/** Number of bricks in the base of the pyramid */
-	private static final int BRICKS_IN_BASE = 14;
-	
-	public void run() {
-		/* You fill this in. */
-	}
-}
-
+/*
+ * File: Pyramid.java
+ * Name: 
+ * Section Leader: 
+ * ------------------
+ * This file is the starter file for the Pyramid problem.
+ * It includes definitions of the constants that match the
+ * sample run in the assignment, but you should make sure
+ * that changing these values causes the generated display
+ * to change accordingly.
+ */
+
+import acm.graphics.*;
+import acm.program.*;
+import java.awt.*;
+
+public class Pyramid extends GraphicsProgram {
+
+/** Width of each brick in pixels */
+	private static final int BRICK_WIDTH = 30;
+
+/** Width of each brick in pixels */
+	private static final int BRICK_HEIGHT = 12;
+
+/** Number of bricks in the base of the pyramid */
+	private static final int BRICKS_IN_BASE = 14;
+
+
+		
+	public void run() {
+	
+		placeBricks();
+		
+		}
+	
+	public void placeBricks() {
+		
+		double xMidPoint = getWidth()/2;
+		double yMidPoint = getHeight()/2;
+		
+		double xCenterPoint = (xMidPoint - (BRICK_WIDTH/2));
+		double yCenterPoint = (yMidPoint - (BRICKS_IN_BASE *(BRICK_HEIGHT)/2));
+		
+		int xIncrementor = 0;
+		
+		for (int i=0; i<BRICKS_IN_BASE; i++) {
+			xIncrementor++;
+			xCenterPoint -= (BRICK_WIDTH/2);
+			
+			for (int j=0; j < xIncrementor; j++) {
+				
+				double xNewPosition = j * BRICK_WIDTH;
+				double yNewPosition = i * BRICK_HEIGHT;
+				
+				GRect rect = new GRect ((xNewPosition + xCenterPoint), (yNewPosition + yCenterPoint), BRICK_WIDTH, BRICK_HEIGHT);
+				add(rect);
+				}
+			}
+	
+		
+		
+	}
+			
+	}
+	
+
diff --git a/PythagoreanTheorem.java b/PythagoreanTheorem.java
index 5b4f30d..3fea88a 100755
--- a/PythagoreanTheorem.java
+++ b/PythagoreanTheorem.java
@@ -1,15 +1,28 @@
-/*
- * File: PythagoreanTheorem.java
- * Name: 
- * Section Leader: 
- * -----------------------------
- * This file is the starter file for the PythagoreanTheorem problem.
- */
-
-import acm.program.*;
-
-public class PythagoreanTheorem extends ConsoleProgram {
-	public void run() {
-		/* You fill this in */
-	}
-}
+/*
+ * File: PythagoreanTheorem.java
+ * Name: 
+ * Section Leader: 
+ * -----------------------------
+ * This file is the starter file for the PythagoreanTheorem problem.
+ */
+
+import acm.program.*;
+
+public class PythagoreanTheorem extends ConsoleProgram {
+	
+	
+	public void run() {
+		
+		
+		int a = readInt("Input First Side of Triangle - ");
+		int b = readInt ("Input Second Side of Triangle - ");
+		
+		double s = 0;
+		s = Math.sqrt((a*a)+(b*b));
+		
+		println("a = " + a);
+		println("b = " + b);
+		println("s = " + s);
+	}
+}
+
diff --git a/Target.java b/Target.java
index 44c1f34..c67970c 100755
--- a/Target.java
+++ b/Target.java
@@ -1,17 +1,60 @@
-/*
- * File: Target.java
- * Name: 
- * Section Leader: 
- * -----------------
- * This file is the starter file for the Target problem.
- */
-
-import acm.graphics.*;
-import acm.program.*;
-import java.awt.*;
-
-public class Target extends GraphicsProgram {	
-	public void run() {
-		/* You fill this in. */
-	}
-}
+/*
+ * File: Target.java
+ * Name: 
+ * Section Leader: 
+ * -----------------
+ * This file is the starter file for the Target problem.
+ */
+
+import acm.graphics.*;
+import acm.program.*;
+import java.awt.*;
+
+public class Target extends GraphicsProgram {	
+		private double inch = 72;
+	
+	public void run() {
+		
+		firstCircle();
+		secondCircle();
+		thirdCircle();
+					
+		}
+	
+		public void firstCircle(){
+		double radius = inch * 1;
+		double x = (getWidth()/2) - radius/2;
+		double y = ((getHeight()/2) - radius/2);
+		
+		GOval firstOval = new GOval (x, y, radius, radius);
+		add(firstOval);
+		firstOval.setFilled(true);
+		firstOval.setFillColor(Color.RED);
+		}
+		
+		public void secondCircle() {
+		double radius = inch * 0.65;
+		double x = ((getWidth())/2) - radius/2;
+		double y = ((getHeight()/2) - radius/2);
+			
+		GOval secondOval = new GOval (x, y, radius, radius);
+		add(secondOval);
+		secondOval.setFilled(true);
+		secondOval.setColor(Color.WHITE);
+		secondOval.setFillColor(Color.WHITE);
+		}
+		
+		
+		public void thirdCircle() {
+		double radius = inch * 0.3;
+		double x = (getWidth()/2) - radius/2;
+		double y = ((getHeight()/2) - radius/2);
+		
+		GOval thirdOval = new GOval (x, y, radius, radius);
+		add(thirdOval);
+		thirdOval.setFilled(true);
+		thirdOval.setFillColor(Color.RED);
+		}
+		
+		
+}