j2me软件教学

				//: c07:music:Note.java
				// Notes to play on musical instruments.
				// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
				// www.BruceEckel.com. See copyright notice in CopyRight.txt.
				package c07.music;
				import com.bruceeckel.simpletest.*;
				
				public class Note {
				  private String noteName;
				  private Note(String noteName) {
				    this.noteName = noteName;
				  }
				  public String toString() { return noteName; }
				  public static final Note
				    MIDDLE_C = new Note("Middle C"),
				    C_SHARP  = new Note("C Sharp"),
				    B_FLAT   = new Note("B Flat");
				    // Etc.
				} ///:~