Level 59 Level 61
Level 60

Character Class


17 words 0 ignored

Ready to learn       Ready to review

Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

All None

Ignore?
Character ch = new Character('a');
create a Character object with the Character constructor
\t
Inserts a tab in the text at this point.
\b
Inserts a backspace in the text at this point.
\n
Inserts a newline in the text at this point.
\r
Inserts a carriage return in the text at this point.
\f
Inserts a form feed in the text at this point.
\'
Inserts a single quote character in the text at this point.
\"
Inserts a double quote character in the text at this point.
\\
Inserts a backslash character in the text at this point.
boolean isLetter(char ch)
Determines whether the specified char value is a letter.
boolean isDigit(char ch)
Determines whether the specified char value is a digit.
boolean isWhitespace(char ch)
Determines whether the specified char value is white space.
boolean isUpperCase(char ch)
Determines whether the specified char value is uppercase.
boolean isLowerCase(char ch)
Determines whether the specified char value is lowercase.
char toUpperCase(char ch)
Returns the uppercase form of the specified char value.
char toLowerCase(char ch)
Returns the lowercase form of the specified char value.
String toString(char ch)
Returns a String object representing the specified character valuethat is, a one-character string.