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ChrisMayfieldChrisMayfield
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review ap01..ch07
1 parent aa70d99 commit ae811e0

22 files changed

+78
-35
lines changed

‎ap01/Series.java‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,25 @@
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/**
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* Example method from Chapter 6.
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*/
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public class Series {
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public static int fibonacci(int n) {
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if (n == 1 || n == 2) {
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return 1;
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}
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return fibonacci(n - 1) + fibonacci(n - 2);
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}
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public static void main(String[] args) {
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if (fibonacci(1) != 1) {
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System.err.println("fibonacci(1) is incorrect");
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}
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if (fibonacci(2) != 1) {
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System.err.println("fibonacci(2) is incorrect");
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}
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if (fibonacci(3) != 2) {
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System.err.println("fibonacci(3) is incorrect");
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}
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}
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}

ch06/SeriesTest.java renamed to ap01/SeriesTest.java

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@@ -10,4 +10,5 @@ public void testFibonacci() {
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assertEquals(1, Series.fibonacci(2));
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assertEquals(2, Series.fibonacci(3));
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}
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}

‎ap02/Drawing.java‎

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Original file line numberDiff line numberDiff line change
@@ -4,10 +4,6 @@
44

55
public class Drawing extends Canvas {
66

7-
// this is here to suppress a warning; you can read about it at
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// http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html
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static final long serialVersionUID = 1;
10-
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public static void main(String[] args) {
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JFrame frame = new JFrame("My Drawing");
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Canvas drawing = new Drawing();
@@ -20,4 +16,5 @@ public static void main(String[] args) {
2016
public void paint(Graphics g) {
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g.fillOval(100, 100, 200, 200);
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}
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}

‎ap02/Mickey.java‎

Lines changed: 7 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -1,20 +1,16 @@
11
import java.awt.Canvas;
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import java.awt.Color;
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import java.awt.Graphics;
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import java.awt.Rectangle;
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import javax.swing.JFrame;
66

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public class Mickey extends Canvas {
98

10-
// this is here to suppress a warning; you can read about it at
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// http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html
12-
static final long serialVersionUID = 1;
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149
public static void main(String[] args) {
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JFrame frame = new JFrame("My Drawing");
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JFrame frame = new JFrame("Mickey Mouse");
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Canvas canvas = new Mickey();
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canvas.setSize(400, 400);
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canvas.setBackground(Color.white);
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frame.add(canvas);
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frame.pack();
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frame.setVisible(true);
@@ -25,6 +21,10 @@ public void paint(Graphics g) {
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mickey(g, bb);
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}
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public void boxOval(Graphics g, Rectangle bb) {
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g.fillOval(bb.x, bb.y, bb.width, bb.height);
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}
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2828
public void mickey(Graphics g, Rectangle bb) {
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boxOval(g, bb);
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@@ -39,7 +39,4 @@ public void mickey(Graphics g, Rectangle bb) {
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boxOval(g, half);
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}
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42-
public void boxOval(Graphics g, Rectangle bb) {
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g.fillOval(bb.x, bb.y, bb.width, bb.height);
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}
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}

‎ap02/Moire.java‎

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Original file line numberDiff line numberDiff line change
@@ -1,15 +1,19 @@
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import java.awt.Canvas;
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import java.awt.Color;
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import java.awt.Graphics;
4-
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import javax.swing.JFrame;
65

7-
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public class Moire extends Canvas {
97

10-
// this is here to suppress a warning; you can read about it at
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// http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html
12-
static final long serialVersionUID = 1;
8+
public static void main(String[] args) {
9+
JFrame frame = new JFrame("Moire Pattern");
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Canvas canvas = new Moire();
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canvas.setSize(400, 400);
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canvas.setBackground(Color.white);
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frame.add(canvas);
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frame.pack();
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frame.setVisible(true);
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}
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1418
public void paint(Graphics g) {
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int i = 90;
@@ -19,19 +23,4 @@ public void paint(Graphics g) {
1923
}
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}
2125

22-
public static void main(String[] args) {
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// make the frame
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JFrame frame = new JFrame();
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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// add the canvas
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Canvas canvas = new Moire();
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canvas.setSize(400, 400);
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canvas.setBackground(Color.white);
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frame.getContentPane().add(canvas);
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// show the frame
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frame.pack();
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frame.setVisible(true);
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}
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}

‎ch01/Goodbye.java‎

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@@ -10,4 +10,5 @@ public static void main(String[] args) {
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System.out.print("Goodbye, "); // note the space
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System.out.println("cruel world");
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}
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}

‎ch01/Hello.java‎

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Original file line numberDiff line numberDiff line change
@@ -4,4 +4,5 @@ public static void main(String[] args) {
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// generate some simple output
55
System.out.println("Hello, World!");
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}
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}

‎ch02/Variables.java‎

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Original file line numberDiff line numberDiff line change
@@ -6,7 +6,6 @@ public class Variables {
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public static void main(String[] args) {
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88
String message;
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109
int x;
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1211
String firstName;
@@ -80,4 +79,5 @@ public static void main(String[] args) {
8079
hour = minute + 1; // correct
8180
// minute + 1 = hour; // compiler error
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}
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}

‎ch03/Convert.java‎

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Original file line numberDiff line numberDiff line change
@@ -23,4 +23,5 @@ public static void main(String[] args) {
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System.out.printf("%.2f cm = %d ft, %d in\n",
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cm, feet, remainder);
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}
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}

‎ch03/Echo.java‎

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@@ -14,4 +14,5 @@ public static void main(String[] args) {
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line = in.nextLine();
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System.out.println("You also said: " + line);
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}
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}

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