java programming error: actual and formal argument lists differ in length

2018-07-01 01:27:25

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Java Error - Actual and formal argument lists differ in length 2 answers

You should remove the parameter from the displayMenu method.

Use

public static int displayMenu()

instead of

public static int displayMenu(int userSelection)

这个错误告诉你到底发生了什么错误：你在没有参数的情况下调用displayMenu，并且它需要一个int值。

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