What is a class in java
java类就是具备某些共同特征的实体的集合,它是一种抽象的数据类型,它是对所具有相同特征实体的抽象。在面向对象的程序设计语言中,类是对一类“事物”的属性与行为的抽象。
类:类是一个模板,它描述一类对象的行为和状态。
类的声明 (推荐学习:java课程)
class 类名{ 类体的内容 }
class是关键字用原来定义类,类名必须是合法的java标识符
Java中的类
类可以看成是创建Java对象的模板。
通过下面一个简单的类来理解下Java中类的定义:
public class Dog{ String breed; int age; String color; void barking(){ } void hungry(){ } void sleeping(){ } }
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