Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
What are Java identifiers (e.g. variable, method, class names, etc) allowed to start with?
|
letters
$ (currency character) _ (underscore) |
Ref: P. 5
|
|
|
What characters may identifiers contain after the first character?
|
letters
$ (currency characters) _ (underscore) numbers |
Ref: P. 5
|
|
|
T/F: The following identifier is legal:
int $c; |
T
|
Ref: P. 5
Identifiers must start with a letter, currency char ($) or underscore, and may contain any combination of letters, currency chars, underscores or numbers thereafter. |
|
|
T/F: The following identifier is legal:
int _____2_w; |
T
|
Ref: P. 5
Identifiers must start with a letter, currency char ($) or underscore, and may contain any combination of letters, currency chars, underscores or numbers thereafter. |
|
|
T/F: The following identifier is legal:
int _a; |
T
|
Ref: P. 5
Identifiers must start with a letter, currency char ($) or underscore, and may contain any combination of letters, currency chars, underscores or numbers thereafter. |
|
|
T/F: The following identifier is legal:
int :b; |
F
|
Ref: P. 5
Identifier does not start with a letter, currency char ($) or underscore. |
|
|
T/F: The following identifier is legal:
int -d; |
F
|
Ref: P. 5
Identifier does not start with a letter, currency char ($) or underscore. |
|
|
T/F: The following identifier is legal:
int e#; |
F
|
Ref: P. 5
Identifier contains an illegal character (#). |
|
|
T/F: The following identifier is legal:
int .f; |
F
|
Ref: P. 5
Identifier contains an illegal character (.). |
|
|
T/F: The following identifier is legal:
int 7g; |
F
|
Ref: P. 5
Identifier does not start with a letter, currency char ($) or underscore. |
