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char declaration in java

char declaration in java

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Questions about the mutual assignment between Byte,short,char,int in Java

First, the range of values for these data classes is clarified:BYTE: -128~127Short: -2^15~2^15-1char:0~65536int: -2^31~2^31-1Take a look at the following code:byte B = 100;Short S = b; Correct, because the value range of byte is within the short value range.char C = b; Error because the value range of byte is not exactly within the value range of char.c = S; Error because the value range of short is not exactly within the value range of char.int x = b; Correct, because the value range of byte is

Operation operations in Java involving Byte, short, and char types

Operations in Java, which involve byte, short, and char types, first convert the values to the int type, then the int type value, and finally the result of the type int. So, if you add two byte values, you end up with the result of an int type. If you need to get a byte type result, you must explicitly convert the result of this int type to the byte type. For example, the following code will cause the compi

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