TY  - BOOK
AU  - Boyarsky,Jeanne
AU  - Selikoff,Scott
TI  - OCP Oracle Certified Professional Java SE 21 developer study guide: exam 1Z0-830 
SN  - 9781394286614
U1  - 005.133 
PY  - 2025///
CY  - Hoboken
PB  - Sybex
KW  - Java (Computer program language) Examinations Study guides
KW  - Software development
N1  - Index present
ER  -