class means "class" in java and is the keyword to define a class. If you define a class, you need to modify it with this to let Java know what you want to write, whether it is a class or a method; for example, "public class A(){}" defines a class A, and "public A() {}" will be considered a constructor.
#In the java world, everything is an object. In a sense, Java has two kinds of objects: instance objects and Class objects. The runtime type information of each class is represented by a Class object. It contains information about the class. In fact, our instance objects are created through Class objects.
The keyword class is used in Java to define a class. Its basic form is as follows:
public class 类名{ //定义属性部分(成员变量) 类型1 属性1; 类型2 属性2; //定义方法部分 方法1; 方法2; }
class is a class in java. If you define a class, use this to modify it, so you can Let Java know what you want to write, whether it is a class or a method.
For example, public class A(){} defines a class A, and public A(){} will be considered a constructor.
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