Text ( visual ) : unmediated Sams teach yourself wireless Java with J2ME in 21 days / Michael Morrison. -- Indianapolis, Ind. : Sams , c2001. -- xiv, 548 p. : ill. ; 23 cm. + 1 computer laser optical disk (4 3/4 in.). -- Includes index. -- ISBN 0672321424 ; (BA63329729) ; https://ci.nii.ac.jp/ncid/BA63329729 Author Heading(s): Morrison, Michael. -- Classification(s): LCC : QA76.73.J38 ; DC21 : 005.2/762. -- Subject Heading(s): LCSH : Java (Computer program language) ; LCSH : Wireless communication systems