[Ch16] Small changes to make the code easier to read and understand in the book (880f2d30) · Commits · examples / Head First Java 3rd Edition

.gitignore

+3 −0

Changes for .gitignore: 3 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		/.gradle
		/build
		/out

		#chapter 16
		*.ser
		Foo.txt
		cards.txt
		No newline at end of file

src/main/java/ch16/QuizCardBuilder.java

+14 −16

Changes for src/main/java/ch16/QuizCardBuilder.java: 14 added lines, 16 removed lines.
Original line number	Diff line number	Diff line
		@@ -6,14 +6,13 @@ import java.io.*;
		import java.util.ArrayList;

		public class QuizCardBuilder {
		private ArrayList<QuizCard> cardList = new ArrayList<>();
		private JTextArea question;
		private JTextArea answer;
		private ArrayList<QuizCard> cardList = new ArrayList<>();
		private JFrame frame;

		public static void main(String[] args) {
		QuizCardBuilder builder = new QuizCardBuilder();
		builder.go();
		new QuizCardBuilder().go();
		}

		public void go() {
		@@ -41,10 +40,7 @@ public class QuizCardBuilder {
		JMenu fileMenu = new JMenu("File");

		JMenuItem newMenuItem = new JMenuItem("New");
		newMenuItem.addActionListener(e -> {
		cardList.clear();
		clearCard();
		});
		newMenuItem.addActionListener(e -> clearAll());

		JMenuItem saveMenuItem = new JMenuItem("Save");
		saveMenuItem.addActionListener(e -> saveCard());
		@@ -59,18 +55,18 @@ public class QuizCardBuilder {
		frame.setVisible(true);
		}

		private JScrollPane createScroller(JTextArea question) {
		JScrollPane qScroller = new JScrollPane(question);
		private JScrollPane createScroller(JTextArea textArea) {
		JScrollPane qScroller = new JScrollPane(textArea);
		qScroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
		qScroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
		return qScroller;
		}

		private JTextArea createTextArea(Font bigFont) {
		private JTextArea createTextArea(Font font) {
		JTextArea textArea = new JTextArea(6, 20);
		textArea.setLineWrap(true);
		textArea.setWrapStyleWord(true);
		textArea.setFont(bigFont);
		textArea.setFont(font);
		return textArea;
		}

		@@ -89,6 +85,11 @@ public class QuizCardBuilder {
		saveFile(fileSave.getSelectedFile());
		}

		private void clearAll() {
		cardList.clear();
		clearCard();
		}

		private void clearCard() {
		question.setText("");
		answer.setText("");
		@@ -98,16 +99,13 @@ public class QuizCardBuilder {
		private void saveFile(File file) {
		try {
		BufferedWriter writer = new BufferedWriter(new FileWriter(file));

		for (QuizCard card : cardList) {
		writer.write(card.getQuestion() + "/");
		writer.write(card.getAnswer() + "\n");
		}
		writer.close();

		} catch (IOException ex) {
		System.out.println("Couldn't write the cardList out");
		ex.printStackTrace();
		} catch (IOException e) {
		System.out.println("Couldn't write the cardList out: " + e.getMessage());
		}
		}
		}

src/main/java/ch16/ReadAFile.java

+1 −4

Changes for src/main/java/ch16/ReadAFile.java: 1 added line, 4 removed lines.
Original line number	Diff line number	Diff line
		@@ -4,16 +4,13 @@ import java.io.*;

		class ReadAFile {
		public static void main(String[] args) {

		try {
		File myFile = new File("MyText.txt");
		FileReader fileReader = new FileReader(myFile);

		BufferedReader reader = new BufferedReader(fileReader);


		String line = null;

		String line;
		while ((line = reader.readLine()) != null) {
		System.out.println(line);
		}

src/main/java/ch16/Snippets.java

0 → 100644

+14 −0

Changes for src/main/java/ch16/Snippets.java: 14 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch16;

		import java.io.*;

		public class Snippets {
		void listDirectory(File dir) {
		if (dir.isDirectory()) {
		String[] dirContents = dir.list();
		for (String dirContent : dirContents) {
		System.out.println(dirContent);
		}
		}
		}
		}