Java member variables include: 1. Instance variables [String id, private String colorType]; 2. Class variables [private static String depart]; 3. Constants [final String design=yang].
The operating environment of this tutorial: windows7 system, java10 version, DELL G3 computer. This method is suitable for all brands of computers.
java member variables include:
Instance variables, class variables, and constants all belong to member variables
Local variables, also called internal variables, refer to Variables defined within a function or within a compound statement
public class Clothes{
String id; //实例变量
private String colorType; //实例变量
private int size; //实例变量
private static String depart; //类变量
final String design="yangzi"; //常量
public void a(int num){ } //局部变量
}Related free learning recommendations:java basic tutorial
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