OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide

Index

Numbers and Symbols

• - (negation) operator, 83
• -- (decrement) operator, 83
• ! (logical complement) operator, 83
• { } (braces), if statements, 117
• ++ (increment) operator, 83
• 2D (two-dimensional) arrays, 193

A

• abstract classes, 364–366
  • interface comparison, 379–380
  • method constructors, 367–368
  • rules, 372
• abstract method, 252
• abstract methods, 365
  • declarations, invalid, 368
  • modifiers
    • abstract, 369–370
    • final, 369
    • private, 369–370
    • static, 370
  • rules, 373
• abstract reference types, 384–385
• access control, modules and, 454
• access modifiers, 9
  • classes, 301
    • super reference, 303–305
    • this reference, 302–303
  • default (package-private) access, 251, 258, 259–260
  • private, 251, 258–259
  • protected, 251, 258, 261–265
  • public, 251, 258, 265–266
• accessor ...