3个简单类练习

来源：互联网发布：java方法是什么意思编辑：程序博客网时间：2024/06/05 17:21
代码块

//学生类class Student{    private String name;    private int sno;    private int age;    private int grade;    private int englishscore;    private int sex;    public Student(){    }    public Student(String n,int sn,int g,int e,int se){        setName(n);        setSno(sn);        setGrade(g);        setEnglishscore(e);        setSex(se);        }    public void setName(String n){        name=n;        }    public void setSno(int sn){        sno=sn;        }    public void setGrade(int g){        grade=g;        }    public void setEnglishscore(int e){        englishscore=e;        }    public void setSex(int se){        sex=se;        }    public String getInfo(){            return "name="+name+"\t"+"age="+age+"\t"+"grade="+grade+"\t"+"englishscore="+englishscore+"\t"+"sex="+sex+"\t"+"sno="+sno;        }    public String getName(){            return name;}    public int getAge()            {            return age;            }    public int getGrade()            {                return grade;            }    public int getEnglishscore()            {                return englishscore;            }    public int getsex()            {                return sex;            }}public class Text{    public static void main(String arg[]){        System.out.println(new Student("name", 1, 2, 3, 4).getInfo());    }}//商品类class Goods{    private String name;    private long id;    private double price;    private String description;    private int number;    public void setName(String n){        name=n;        }        public void setId(long i){        id=i;        }        public void setPrice(double p){        price=p;        }        public void setDescription(String d){        description=d;        }        public void setNumber(int nu){        number=nu;        }        public String getName(){        return name;        }        public String getDescription(){        return description;        }        public long getId(){        return id;        }        public int getNumber(){        return number;        }        public String getInfo(){        return "name="+name+"\t"+"id="+id+"\t"+"price="+price+"\t"+"description="+description+"\t"+"number="+number;        }        public Goods(){}        public Goods(String n,String d,int nu,double p,long i){        setName(n);        setDescription(d);        setId(i);        setPrice(p);        setNumber(nu);        }}public class Text{    public static void main(String arg[]){        System.out.println(new Goods("name", "1", 2, 3, 4).getInfo());    }} //图书类（快捷get and set） class Books{    private String name;    private long data;    private String owern;    private String borrower;    private double price;    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public long getData() {        return data;    }    public void setData(long data) {        this.data = data;    }    public String getOwern() {        return owern;    }    public void setOwern(String owern) {        this.owern = owern;    }    public String getBorrower() {        return borrower;    }    public void setBorrower(String borrower) {        this.borrower = borrower;    }    public double getPrice() {        return price;    }    public void setPrice(double price) {        this.price = price;    }    public String getInfo(){        return "name="+name+"borrower"+borrower+price+owern+data;    }public Books(){}public Books(String name,String borrower,long data,String owern,int price){    setName(name);    setBorrower(borrower);    setData(data);    setPrice(price);    setOwern(owern);}}public class Text{    public static void main(String arg[]){        System.out.println(new Books("zhangsan","zhang",1,"zhangsan",10).getInfo());    }}
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