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This article mainly shows you "java how to use arrays as method parameters", the content is easy to understand, clear, hope to help you solve doubts, the following let Xiaobian lead you to study and learn "java how to use arrays as method parameters" this article.

Basic usage of array as a parameter of a method

Brief introduction of JVM

Storage of local variables in memory:

The reference does not point to the object:

This reference does not point to any object

Can a reference point to multiple objects at the same time?

For this code, you can only point to one object and store the address of an object. Finally, only the address of the last object is saved.

The process of passing an array as a parameter to a method:

Solve the print result:

The first two solutions:

Fun2 print result:

Analysis example: what does the following figure represent?

The reference stands for array2 and points to the object that the reference to array1 points to.

The following figure represents the meaning of the above example:

Note:

It is wrong to say that a reference points to a reference. A reference can only point to an object.

Does the reference have to be on the stack?

Not necessarily, whether a variable is on the stack or not is determined by the nature of your variable. If you are a local variable, it must be on the stack. If not, for example, instance member variables are not necessarily on the stack.

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