字符 « 数据类型 « Java

1.	Java char: char is 16 bit type and used to represent Unicode characters. Range of char is 0 to 65,536.
2.	Character class creates primitives that wrap themselves around data items of the char data type
3.	Create Character objects and compare them
4.	Use Character.isLowerCase, Character.isUpperCase to check the letter case
5.	Use Character.isLetter to check if a char is a letter
6.	Count letters in a String
7.	Use Character.isDigit to check the if a char is a digit
8.	Validate if a String contains only numbers
9.	Check if a character representing a number
10.	Check if a character representing an alphabet
11.	If a character is uppercase
12.	if a character is lowercase
13.	Is character a digit, letter, white space, lower case or upper case character
14.	switch with char value
15.	Escape Sequence Characters
16.	Char is Int
17.	Convert from integer to ASCII code (byte)
18.	Plus one to char variable
19.	Store unicode in a char variable
20.	All static information about a character
21.	Compare Two Java char Arrays
22.	Convert from ASCII code to String
23.	Copy char array to string
24.	Convert to hex
25.	Determining a Character's Unicode Block
26.	Determining If a String Is a Legal Java Identifier

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