thinking in java

这本书是学习JAVA的经典入门教程,与大家分享packagec07.music;importcom.bruceeckel.simpletest.*;publicclassNote{privateStringnoteName;privateNote(StringnoteName){this.noteName=noteName;}publicStringtoString(){returnnoteName;}publicstaticfinalNoteMIDDLE_C=newNote("MiddleC"),C_SHARP=ne