Similarities and differences between member variables and local variables

Similarities and differences between member variables and local variables:

Same points:

1. The format of defining variables is the same;

数据类型 变量名 = 变量值

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2. They are declared first and then used;

3. Both have their corresponding scopes;

Differences:

1. The difference in the position of declaration between the two in the class;

Member variables are directly defined within a pair of { } in the class;

Local variables are declared within methods, method parameters, code blocks, constructor parameters, and inside constructors.

2. Local variables have no default initialization value.

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