JAVA中 什么是方法签名?what is method signature in java

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如题:what is method signature in java?

answer:Definition: Two of the components of a method declaration comprise the method signature—the method’s name and the parameter types.

方法声明的


两个组件构成了方法签名 – 方法的名称和参数类型。

举例:

Here is an example of a typical method declaration:(这里是一个典型的方法声明)

public double calculateAnswer(double wingSpan, int numberOfEngines,
                              double length, double grossTons) {
    //do the calculation here
}

The signature of the method declared above is:(上面方法的签名是)

calculateAnswer(double, int, double, double)

不要再被方法签名迷惑了,之前读Effective Java的时候对这个概念有些疑惑。正好在看oracle的java 练习文档中有明确的定义。



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