[Ch14] Formatting. Making all fields private. Removing extraneous whitespace. (41d905eb) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch14/MiniMusicPlayer1.java

+9 −12

Changes for src/main/java/ch14/MiniMusicPlayer1.java: 9 added lines, 12 removed lines.
Original line number	Diff line number	Diff line
		@@ -3,31 +3,26 @@ package ch14;
		import javax.sound.midi.*;

		public class MiniMusicPlayer1 {

		public static void main(String[] args) {

		try {

		Sequencer sequencer = MidiSystem.getSequencer();
		sequencer.open();


		Sequence seq = new Sequence(Sequence.PPQ, 4);
		Track track = seq.createTrack();

		for (int i = 5; i < 61; i += 4) {


		track.add(makeEvent(144, 1, i, 100, i));
		track.add(makeEvent(128, 1, i, 100, i + 2));

		} // end loop
		}

		sequencer.setSequence(seq);
		sequencer.setTempoInBPM(220);
		sequencer.start();
		} catch (Exception ex) {ex.printStackTrace();}
		} // close main
		} catch (Exception ex) {
		ex.printStackTrace();
		}
		}


		public static MidiEvent makeEvent(int comd, int chan, int one, int two, int tick) {
		@@ -37,7 +32,9 @@ public class MiniMusicPlayer1 {
		a.setMessage(comd, chan, one, two);
		event = new MidiEvent(a, tick);

		}catch(Exception e) { }
		} catch (Exception e) {
		e.printStackTrace();
		}
		return event;
		}
		} // close class
		No newline at end of file
		}
		No newline at end of file

+11 −11

Changes for src/main/java/ch14/MiniMusicPlayer2.java: 11 added lines, 11 removed lines.
Original line number	Diff line number	Diff line
		package ch14;

		import javax.sound.midi.*;
		public class MiniMusicPlayer2 implements ControllerEventListener {

		public class MiniMusicPlayer2 implements ControllerEventListener {
		public static void main(String[] args) {
		MiniMusicPlayer2 mini = new MiniMusicPlayer2();
		mini.go();
		}
		public void go() {

		public void go() {
		try {
		Sequencer sequencer = MidiSystem.getSequencer();
		sequencer.open();
		@@ -21,18 +21,17 @@ public class MiniMusicPlayer2 implements ControllerEventListener {

		for (int i = 5; i < 60; i += 4) {
		track.add(makeEvent(144, 1, i, 100, i));

		track.add(makeEvent(176, 1, 127, 0, i));

		track.add(makeEvent(128, 1, i, 100, i + 2));
		} // end loop
		}

		sequencer.setSequence(seq);
		sequencer.setTempoInBPM(220);
		sequencer.start();
		} catch (Exception ex) {ex.printStackTrace();}
		} // close

		} catch (Exception ex) {
		ex.printStackTrace();
		}
		}

		public void controlChange(ShortMessage event) {
		System.out.println("la");
		@@ -44,8 +43,9 @@ public class MiniMusicPlayer2 implements ControllerEventListener {
		ShortMessage a = new ShortMessage();
		a.setMessage(comd, chan, one, two);
		event = new MidiEvent(a, tick);

		}catch(Exception e) { }
		} catch (Exception e) {
		e.printStackTrace();
		}
		return event;
		}
		} // close class
		No newline at end of file
		}
		No newline at end of file

+6 −5

Changes for src/main/java/ch14/MiniMusicPlayer3.java: 6 added lines, 5 removed lines.
Original line number	Diff line number	Diff line
		@@ -6,8 +6,8 @@ import java.awt.Color;
		import java.awt.Graphics;

		public class MiniMusicPlayer3 {
		static JFrame f = new JFrame("My First Music Video");
		static MyDrawPanel ml;
		private static JFrame f = new JFrame("My First Music Video");
		private static MyDrawPanel ml;

		public static void main(String[] args) {
		MiniMusicPlayer3 mini = new MiniMusicPlayer3();
		@@ -57,13 +57,14 @@ public class MiniMusicPlayer3 {
		event = new MidiEvent(a, tick);

		} catch (Exception e) {
		e.printStackTrace();
		}
		return event;
		}


		class MyDrawPanel extends JPanel implements ControllerEventListener {
		boolean msg = false;
		private boolean msg = false;

		public void controlChange(ShortMessage event) {
		msg = true;
		@@ -78,13 +79,13 @@ public class MiniMusicPlayer3 {

		g.setColor(new Color(r, gr, b));

		int ht = (int) ((Math.random() * 120) + 10);
		int height = (int) ((Math.random() * 120) + 10);
		int width = (int) ((Math.random() * 120) + 10);

		int x = (int) ((Math.random() * 40) + 10);
		int y = (int) ((Math.random() * 40) + 10);

		g.fillRect(x, y, ht, width);
		g.fillRect(x, y, height, width);
		msg = false;
		}
		}

+2 −2

Changes for src/main/java/ch14/MyDrawPanel.java: 2 added lines, 2 removed lines.
Original line number	Diff line number	Diff line
		package ch14;

		import java.awt.*;
		import javax.swing.*;
		import java.awt.Color;
		import java.awt.Graphics;

		class MyDrawPanel extends JPanel {

		public void paintComponent(Graphics g) {

		g.setColor(Color.orange);

		g.fillRect(20, 50, 100, 100);

+3 −6

Changes for src/main/java/ch14/MyOuter.java: 3 added lines, 6 removed lines.
Original line number	Diff line number	Diff line
		package ch14;

		class MyOuter {

		private int x;

		MyInner inner = new MyInner();
		private MyInner inner = new MyInner();

		public void doStuff() {
		inner.go();
		}


		class MyInner {
		void go() {
		x = 42;
		}
		} // close inner class
		}

		} // close outer class
		}