library.txt

java lab4 图书馆程序 有两个class分别是book和library object book需要添加到library中

5
C++
Bill
15
1987
99.54
Thinking in Java
Bruce Eckel
89
2006
67.77
ElectricEngineering
Mills
100
1948
67.43
Electronic
Theodore
12
1995
135.89
Business plan
zral
90
2007
198.345