简单java程序示例.doc

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1、.class PersonString name;char sex;int age;float height;String native_place;String occupation;String marriage;float income;float month_income;public Person(String xingming, char xingbie, int nianling, float shengao, String jiguan, String zhiye, String hunfou, float shouru)name = xingming;sex = xingbi

2、e;age = nianling;height = shengao;native_place = jiguan;occupation = zhiye;marriage = hunfou;month_income = shouru;float get_income()income = month_income * 12.0f;return income;/王鹏，男，28岁，173cm，四川成都人，电子科技大学教师，未婚，月收入3000元。./李芳，女，26岁，高162cm，云南昆明人，成都邮政局职工，未婚，月收入2500元。/Test_Person.javapublic class Test_P

3、ersonpublic static void main(String args)Person p1 = new Person(“王鹏“,男,28,173f,“ 四川成都 “,“电子科技大学教师“,“未婚“,3000f);Person p2 = new Person(“李芳“,女,26,162f,“ 云南昆明 “,“成都邮政局职工“,“未婚“,2500f);System.out.println(“姓名：“+p1.name);System.out.println(“性别：“+p1.sex);System.out.println(“年龄：“+p1.age);System.out.println(“

4、身高：“+p1.height);System.out.println(“籍贯：“+p1.native_place);System.out.println(“职业：“+p1.occupation);System.out.println(“婚姻状况：“+p1.marriage);System.out.println(“年收入：“+p1.get_income();System.out.println(n);System.out.println(“姓名：“+p2.name);System.out.println(“性别：“+p2.sex);System.out.println(“年龄：“+p2.age

5、);System.out.println(“身高：“+p2.height);System.out.println(“籍贯：“+p2.native_place);System.out.println(“职业：“+p2.occupation);System.out.println(“婚姻状况：“+p2.marriage);.System.out.println(“年收入：“+p2.get_income();class PersonString name;char sex;int age;float height;String native_place;String occupation;Strin

6、g marriage;float weight;public Person(String xingming, char xingbie, int nianling, float shengao, String jiguan, String zhiye, String hunfou, float tizhong)name = xingming;sex = xingbie;age = nianling;height = shengao;native_place = jiguan;occupation = zhiye;marriage = hunfou;.weight=tizhong; float

7、normalize_weight(float height) float biaozhun_weight=0.0f;if(height=166 return biaozhun_weight;public class Test_Personpublic static void main(String args)Person p1 = new Person(“欧明杰“,男,20,173f,“福建宁德“,“学生“,“未婚“,100.0f);System.out.println(“姓名：“+p1.name);System.out.println(“性别：“+p1.sex);System.out.pri

8、ntln(“年龄：“+p1.age);System.out.println(“身高：“+p1.height);System.out.println(“籍贯：“+p1.native_place);System.out.println(“职业：“+p1.occupation);System.out.println(“婚姻状况：“+p1.marriage);System.out.println(“体重：“+p1.weight);System.out.println(“标准体重：“+p1.normalize_weight(p1.height);.class Personprivate String n

9、ame=“unknown“;private int age = -1;public Person()System.out.println(“constructor1 is calling“);public Person(String n)name = n;System.out.println(“constructor2 is calling“);public Person(String n,int a)name = n;age = a;System.out.println(“constructor3 is calling“);public String toString()String s=“姓名 “+name+“t年龄 “+age;.return s;class TestPersonpublic static void main(String args)Person p1=new Person();System.out.println(p1.toString();Person p2=new Person(“Jack“);System.out.println(p2.toString();Person p3=new Person(“Tom“,18);System.out.println(p3.toString();