1.有一个无参的公共的构造方法
2.有属性
3.属性有对应的get和set存取方法
package ch3; public class JavaBeanText { private String name; private int age; public JavaBeanText() {} public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } }