| A | B |
|---|
| Anonymous Object | Unnamed object |
| Buffer | Block of memory |
| Capacity | This of a StringBuffer object is the actual length of the buffer, as opposed to that of the string contained in the buffer |
| Character Class | One whose instances can hold a single-character value. This class also defines methods that can manipulate or inspect single-character data. |
| Concatenation | Process of joining a variable to a string to create a longer string. |
| Double Class | Wrapper class that contains a simple double and useful methods to manipulate it. |
| Immutable | Objects cannot be changed. |
| Lexicographical comparison | Based on the integer Unicode values of characters. |
| StringBuffer Class | For storing and manipulating changeable data composed of multiple characters. It is an alternative to the String class when you know a String will be modified. |
| Wrapper | Class or object that is “wrapped around” a simpler element. |
