Data types and Operator jobs
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Java
< p align = "center" > data types and Operator jobs
1、 Fill in the blanks
2、 Multiple choice questions
1，1
1 1.0
double d = 3.14D;
int b=255.0;
byte
Line 1 error
3、 Judgment question
4、 Short answer
Basic data types: byte, int, short, char, long, float, double
The variable is incremented by one after execution
The variable is incremented before execution
From small to large, promotion type
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