How to use array as parameter of method in java

Array as method parameter

Basic usage

JVM brief introduction

Partial Storage of variables in memory:

The reference does not point to the object. Writing method:

This reference does not point to any object.

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

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

The process of passing the array as a parameter of the method:

Solution and printing results:

before Two solutions:

fun2 Print result:

##Analysis example: What does the picture below represent

represents the reference of array2, pointing to the object pointed to by the reference of array1.

The following picture represents the meaning of the above example:

Note:

The quote points to the quote. This sentence is wrong. References can only point to objects

Does the reference have to be on the stack?

Not necessarily. Whether a variable is on the stack is determined by the nature of your variable. If it is 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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