Causes and avoidance methods of garbled IO streams in Java

The reason why garbled characters may appear during IO stream reading and writing:

①Encoding and decoding rules are inconsistent

②This character encoding does not support a certain Language (ex: Chinese)

Methods to avoid garbled characters:

1. Encoding: String ---> byte[]

There is a corresponding in String Methods:

①: byte[] getBytes(): Use the platform’s default character set to encode this String into a byte sequence

②: byte[] getBytes(Charset charset): Use the specified Use the specified character encoding to encode the string

③: byte[] getBytes(String charsetName): Use the specified character encoding to encode the string

2. Decoding: byte[] ---> ; String

There are corresponding construction methods in String:

①：String(byte[] bytes): Decode the specified byte array by using the platform’s default character set

②: String(byte[] bytes, Charset charset): Use the specified character set to decode the specified byte array

③: String(byte[] bytes, String charsetName): Use the specified character set to decode Specified byte array

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