Syntax error on token “;”, , expected [How to Solve]

The eclipse error prompt is as follows:

The error code is as follows:

At first, I couldn’t think about it. Later, I found out the cause of the problem. The declaration of variable in Java can not be in the method, but the statement can only appear in the method . The initial value can be assigned when the variable is declared again, but if you want to assign a value separately, it must be written in the method, as shown in the figure below after modification

This is a very elementary knowledge point, but it is easy to be ignored. I hope you can take it as a warning

Shallow knowledge, if there is a mistake, please correct, I am very grateful

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