java string first character uppercase

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Java string & stringbuffer

  7.1 stringClass7.2StringbufferClass 7.1 stringClassObjects of the string class cannot be changed once they are created.String constant. In the previous program, we have used the String constant multiple times.For example, "input a integer data/N"

Converts uppercase letters in a string to lowercase in Java, and lowercase letters to uppercase

converts uppercase letters in a string to lowercase in Java, and lowercase letters to uppercase Watch Tips: This provides 2 of ideas, but the first one is correct, the second is wrong; the second can be understood, but it should be noted that if a

In a string, four algorithms for counting the number of uppercase letters, the number of lowercase letters, and the number of other characters

Title Description: Write the program, the output string of uppercase letters, lowercase small mother and the number of other. If there is a string "Helle, this is A test textfile.123456, Tannk you!!", the number of uppercase letters: 3, lowercase

Java String, StringBuffer, and StringBuilder instances

1-Hierarchical inheritance2-Variable and immutable concepts3-string3.1-string is a very special class3.2-string literals vs. String objectsMethods of 3.3-string3.3.1-length ()3.3.2-concat (String)3.3.3-indexof (..)3.3.4-substring (..)3.3.5-replace3.3

Js randomly generates 26 uppercase/lowercase letters and js26 lowercase letters

Js randomly generates 26 uppercase/lowercase letters and js26 lowercase letters First, we will introduce JavaScript to generate 26 uppercase and lowercase letters, mainly using the str. charCodeAt () and String. fromCharCode () methods. 1.

Java string length and varchar length matching comprehension (character and byte length understanding)

1: "Byte" is byte, "bit" is bit;2:1 byte = 8 bit;Char is 2 bytes in Java. Java uses unicode,2 bytes (16 bits) to represent one character.ButString str = "compilation";byte[] bytes = Str.getbytes (); I wonder why it takes 3 bytes here?3 byte is 3*8=24

About character encoding, all you need to know (ascii,unicode,utf-8,gb2312 ... )

The problem of character encoding seems to be very small, often overlooked by technical staff, but it can easily lead to some puzzling problems. Here is a summary of the character encoding of some of the popular knowledge, I hope to be helpful to

What you need to know about character encoding

Document directory Unicode Character Set Overview Encoding System Changes Common unicode encoding Unicode-Related Frequently Asked Questions Original article: http://www.cnblogs.com/KevinYang/archive/2010/06/18/1760597.html   Character

Uppercase and lowercase conversions in strings in Java

Converts uppercase letters in a string to lowercase and lowercase to uppercase in JavaWatch Tips:Here are 2 ideas, but the first one is right, the second is wrong, the second one is to understand, but it is important to note that if a string is

About the Unicode character set

About the Unicode character set(2011-10-20 20:54:03) The initial Unicode encoding is a fixed-length, 16-bit, or 22-byte representation of a character, which can represent a total of 65,536 characters. Obviously, it is not enough to represent all the

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