初期的最可靠的也是最简单的分析依据：简单Java类

案例分析一

编写并测试一个代表地址的Address类，地址信息由国家、省份、城市、街道、邮编组成，并可以返回完整的地址信息。

class Address {private String country ;private String province ;private String city ;private String street ;private String zipcode ;public Address() {}public Address(String country,String province,String city,String street,String zipcode) {this.country = country ;this.province = province ;this.city = city ;this.street = street ;this.zipcode = zipcode ;}public String getInfo() {return "国家：" + this.country + "、省份：" + this.province + "、城市：" + this.city + "、街道：" + this.street + "、邮编：" + this.zipcode ;}public void setCountry(String country) {this.country = country ;}public void setProvince(String province) {this.province = province;}public void setCity(String city) {this.city = city ;}public void setStreet(String street) {this.street = street ;}public void setZipcode(String zipcode) {this.zipcode = zipcode ;}public String getCountry() {return this.country ;}public String getProvince() {return this.province ;}public String getCity() {return this.city ;}public String getStreet() {return this.street ;}public String getZipcode() {return this.zipcode ;}
}
public class JavaDemo {public static void main(String args[]) {System.out.println(new Address("中华人民共和国","北京","北京","天安门街道","10001").getInfo()) ;}
}