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What is method overloading in Java

王林
Release: 2020-07-16 10:56:45
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Overloading of methods in Java means: two methods have the same method name, but the parameter type and number of parameters are inconsistent. Then one method can be said to be an overload of another method. In method overloading, the return type of the method and the method's modifiers can also be different.

What is method overloading in Java

Method overloading:

(Recommended learning: java introductory tutorial)

If there is If two methods have the same method name but different parameters, then one method can be said to be an overload of the other method.

Specific instructions:

  • The method name is the same

  • The parameter type of the method, the parameters are different

  • The return types of methods can be different

  • The modifiers of methods can be different

  • The main method can also be Overloading

Code implementation:

(Video tutorial recommendation: java video tutorial)

Overloading the info of the MyClass class Method:

What is method overloading in Java

Output result:

房子高度为 3 米
房子高度为 3 米
重载方法: 房子高度为 3 米
无参数构造函数
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