Java local variable member variable differences

First, the member variable can be initialized directly (that is, assignment) or not, and no value is assigned to Java, which is automatically assigned according to the following types

The local variable must be initialized (assigned) before it is called, and Java does not automatically handle

A local variable can have the same name as a member variable (but not recommended), which is required if the current property (member variable) is called within the method of the current object. Property names

For example:

public class Test {

String name;

public void SetName (String name) {

THIS.name = name;

}

}

See this super article in detail

Java local variable member variable differences