Java
154
Keywords and functions
67
Changes in new versions
10
Type initialization
71
Basic types
51
Arrays and collections
22
Control flow
43
Classes
8
Structures (records)
7
Enumerations
7
Interfaces
6
Generic types
9
Functions
13
Lambda expressions
9
Multithreading
7
Exception handling
7
Regular expressions
28
Files
10
Databases
23
Serialization
5
Colors
9
Algorithms
36
Design patterns
6
Reflection (late binding)