Java string handler summary
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Java
String class
Simple string splicing
String length
Splits a string into an array of characters
Gets the character at the specified position
Remove the left and right spaces of the string
Convert all to case
Determines whether a string begins or ends with a character
String substitution
Gets the index of the string
String extraction
String connection
The string split () method splits the string based on matching the given regular expression. Note:., $| Escape characters such as * and * must be added \ \. Note: for multiple separators, you can use | as a hyphen.
StringBuffer class
String type conversion
*
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