[App A] Replacing catch of general Exception to catching specific Exception types (8435fb5d) · Commits · examples / Head First Java 3rd Edition

src/main/java/appA/BeatBoxFinal.java

+7 −6

Changes for src/main/java/appA/BeatBoxFinal.java: 7 added lines, 6 removed lines.
Original line number	Diff line number	Diff line
		@@ -8,6 +8,7 @@ import java.awt.BorderLayout;
		import java.awt.GridLayout;
		import java.awt.event.ActionEvent;
		import java.awt.event.ActionListener;
		import java.io.IOException;
		import java.io.ObjectInputStream;
		import java.io.ObjectOutputStream;
		import java.net.Socket;
		@@ -64,7 +65,7 @@ public class BeatBoxFinal {
		in = new ObjectInputStream(sock.getInputStream());
		Thread remote = new Thread(new RemoteReader());
		remote.start();
		} catch (Exception ex) {
		} catch (IOException ex) {
		System.out.println("Couldn't connect-you'll have to play alone.");
		}
		setUpMidi();
		@@ -146,7 +147,7 @@ public class BeatBoxFinal {
		sequence = new Sequence(Sequence.PPQ, 4);
		track = sequence.createTrack();
		sequencer.setTempoInBPM(120);
		} catch (Exception e) {
		} catch (InvalidMidiDataException \| MidiUnavailableException e) {
		e.printStackTrace();
		}
		}
		@@ -174,7 +175,7 @@ public class BeatBoxFinal {
		sequencer.setLoopCount(sequencer.LOOP_CONTINUOUSLY);
		sequencer.start();
		sequencer.setTempoInBPM(120);
		} catch (Exception e) {
		} catch (InvalidMidiDataException e) {
		e.printStackTrace();
		}
		}
		@@ -218,7 +219,7 @@ public class BeatBoxFinal {
		try {
		out.writeObject(userName + nextNum++ + ": " + userMessage.getText());
		out.writeObject(checkboxState);
		} catch (Exception ex) {
		} catch (IOException ex) {
		System.out.println("Sorry dude. Could not send it to the server.");
		}
		userMessage.setText("");
		@@ -255,14 +256,14 @@ public class BeatBoxFinal {
		listVector.add(nameToShow);
		incomingList.setListData(listVector);
		}
		} catch (Exception ex) {
		} catch (IOException \| ClassNotFoundException ex) {
		ex.printStackTrace();
		}
		}
		}

		public void changeSequence(boolean[] checkboxState) {
		for (int i = 0; i < 256; i++) {
		for (int i = 0; i < instruments.size() * NUMBER_OF_BEATS; i++) {
		JCheckBox check = checkboxList.get(i);
		check.setSelected(checkboxState[i]);
		}