My second assignment

FindRange.java

@@ -1,16 +1,61 @@
-/*
- * 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.*;
+
+public class FindRange extends ConsoleProgram {
+
+		/* You fill this in */
+
+		//specifies the value for the sentinel
+		private static final int SENTINEL = 0;
+
+		//runs the program
+		public void run() {
+
+			println("This program finds the largest and smallest numbers.");
+
+			//initializes the minimum value
+			int min = 0;
+
+			//intializes the maximum value
+			int max = 0;
+
+			//iterates using while loop when the condition is true
+			while(true){
+
+			//prompts the user to enter a value
+				int val = readInt("enter val: ");
+
+			//checks if the first value entered is 0
+				if(val == SENTINEL) {
+					break;
+				}
+
+			//checks if the value is greater than the maximum value
+			//and then assigns it as the largest
+				if(val > max){
+				max = val;
+			//checks if the value is less than the minimum value
+			//and then assign it as the smallest
+				} else if (val < min) {
+					min = val;
+				}
+		    }
+
+
+//prints out the smallest value
+println("smallest: " + min);
+
+//prints out the largest value
+println("largest: " + max);
+		}
+
+
+}
+

Hailstone.java

@@ -1,16 +1,30 @@
-/*
- * 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() {
+		/* You fill this in */
+		println("Enter a number:");
+
+		int n = readInt("enter n: ");
+
+		while (n > 1) {
+			if ((n % 2) == 0){
+				n = (n / 2);
+				println("n is even, so I take half: " + n);
+			}
+			else if ((n % 2)== 1) {
+				n = (3 * n) + 1;
+				println("n is odd, so i make 3n + 1: " + n);
+			}
+		}
+	}
+}
+

ProgramHierarchy.java

@@ -1,18 +1,65 @@
-/*
- * 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 {	
+
+
+	private static final int HEIGHT = 50;
+	private static final int WIDTH = 150;
+
+	public void run() {
+		int x;
+		int y;
+
+		x = (getWidth() - WIDTH) / 2;
+		y = (getHeight() - HEIGHT) /2;
+
+		GRect Rect = new GRect(x, y, WIDTH, HEIGHT);
+		add(Rect);
+
+		GLabel label1 = new GLabel("Program", (x + 50), (y + 30));
+		add(label1);
+
+
+		GLine Line1 = new GLine((x + 75), (y+50), (x+75), (y+100));
+		add(Line1);
+
+		GRect Rect2 = new GRect(x, (y+100), WIDTH, HEIGHT);
+		add(Rect2);
+
+		GLabel label2 = new GLabel("ConsoleProgram", (x + 30), (y + 130));
+		add(label2);
+
+		GLine Line2 = new GLine((x - 100), (y + 100), (x + 75), (y + 50)); 
+		add(Line2);
+
+		GRect Rect3 = new GRect((x - 175), (y + 100), WIDTH, HEIGHT);
+		add(Rect3);
+
+		GLabel label3 = new GLabel("GraphicProgram", (x - 145), (y + 130));
+		add(label3);
+
+		GLine Line3 = new GLine((x + 75), (y+50), (x+250), (y+100));
+		add(Line3);
+
+		GRect Rect4 = new GRect((x+175), (y+100), WIDTH, HEIGHT);
+		add(Rect4);
+
+		GLabel label4 = new GLabel("DialogProgram", (x + 210), (y + 130));
+		add(label4);
+
+
+
+
+	}
+}
+

Pyramid.java

@@ -1,32 +1,51 @@
-/*
- * 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() {
+		/* You fill this in. */
+		double x = (getWidth() - BRICKS_IN_BASE * BRICK_WIDTH) / 2;
+		double y = getHeight() - BRICK_HEIGHT;
+
+		for (int row = 0; row < BRICKS_IN_BASE; row++){
+			drawRow(x, y, (BRICKS_IN_BASE - row));
+			y -= BRICK_HEIGHT;
+			x += BRICK_WIDTH / 2;
+		}
+	}
+
+	private void drawRow(double x, double y, int bricks){
+		for (int i = 0; i < bricks; i++){
+			drawBrick((x + i * BRICK_WIDTH), y);
+		}
+	}
+	private void drawBrick(double x, double y){
+		GRect rect = new GRect(x, y, BRICK_WIDTH, BRICK_HEIGHT);
+		add(rect);
+		}
+	}
+
+

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() {
+		/* You fill this in */
+		println("Enter values to compute Pythagorean theorem.");
+		int a = readInt("enter a: ");
+
+		int b = readInt("enter b: ");
+
+		a = a * a;
+		b = b * b;
+
+		double c = Math.sqrt(a + b);
+		println("The answer is " + c + " . ");
+
+
+
+	}
+}

Target.java

@@ -1,17 +1,45 @@
-/*
- * 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 {	
+	public void run() {
+		/* You fill this in. */
+		double a = (getWidth() - 72) / 2;
+		double b = (getHeight() - 72) / 2;
+
+		GOval outtercircle = new GOval(a, b, 72, 72);
+
+		outtercircle.setFilled(true);
+		outtercircle.setColor(Color.RED);
+
+		add(outtercircle);
+
+		double i = (getWidth() - 46.8) / 2;
+		double j = (getHeight() - 46.8) / 2;
+
+		GOval midcircle = new GOval(i, j, 46.8, 46.8);
+
+		midcircle.setFilled(true);
+		midcircle.setColor(Color.white);
+		add(midcircle);
+
+		double x = (getWidth() - 21.6) / 2;
+		double y = (getHeight() - 21.6) / 2;
+
+		GOval innercircle = new GOval(x, y, 21.6, 21.6);
+		innercircle.setFilled(true);
+		innercircle.setColor(Color.RED);
+
+		add(innercircle);
+
+	}
+}