用java写程序

public class Test {

    public static void main(String[] args) {

        Student student

        float chinese

        float math

        float english

        do {

            chinese = getByInputBox("输入语文成绩：")

        } while (chinese < 1 || chinese > 100)

        do {

            math = getByInputBox("输入数学成绩：")

        } while (math < 1 || math > 100)

        do {

            english = getByInputBox("输入英语成绩：")

        } while (english < 1 || english > 100)

        student = new Student("xxx","xxxxxxxxx")

        student.setChinese(chinese)

        student.setMath(math)

        student.setEnglish(english)

        System.out.println(student)

    }

    private static float getByConsole(String msg) {

        System.out.print(msg)

        return new Scanner(System.in).nextFloat()

    }

    private static float getByInputBox(String msg) {

        String result = JOptionPane.showInputDialog(null, msg)

        try{

            return Float.parseFloat(result)

        }catch (Exception e){

            return 0

        }

   陆雹 }

}

class Student {

    private String name

    private String id

    private float chinese

    private float math

    private float english

    public Student() {

        name = "张三"

        id = "111111"

    }

    public Student(String name, String id) {

        this.name = name

        this.id = id

    }

    public float score() {

        return chinese + math + english

    }

    public float average() {

        return score() / 3

    }

    public boolean goodStudent() {

        return average() > 90

    }

    public float getChinese() {

        return chinese

    }

    public void setChinese(float chinese) {

        this.chinese = chinese

    }

    public float getMath() {

        return math

    }

    public void setMath(float math) {

        this.math = math

    }

    public float getEnglish() {

    早激帆    return english

    }

    public void setEnglish(float english) {

        this.english = english

    }

    @Override

    public String toString() {

        return "Student{" +

                "name='" + name + '\'' +

   铅纤             ", id='" + id + '\'' +

                ", chinese=" + chinese +

                ", math=" + math +

                ", english=" + english +

                '}'

    }

}

package test

public class Student {

private String name

private String id

private String clazz

private int age

private String address

/**

* sayHello方法唤晌枝

*/

public void sayHello() {

System.out.println("学号为" + this.id + "的同学的具体信息如下：")

System.out.println("姓名谨肢：" + this.name)

System.out.println("班级：" + this.clazz)

System.out.println("年龄：" + this.age)

System.out.println("家庭住址：" + this.address)

}

/**

* 测试方法

*

* @param args

*/

public static void main(String[] args) {

// 第一问

Student student = new Student()

student.setAddress("百度知道")

student.setAge(1)

student.setClazz("一班")

student.setId("071251000")

student.setName("lsy605604013")

student.sayHello()

// 第二问

Student studentNew = new Student()

studentNew.setAddress("搜搜知道")

studentNew.setAge(2)

studentNew.setClazz("二班")

studentNew.setId("和敏071251001")

studentNew.setName("lady")

if (student.getAge() <studentNew.getAge())

studentNew.sayHello()

else if (student.getAge() >studentNew.getAge())

student.sayHello()

else

System.out.println("两人一样大")

}

public String getName() {

return name

}

public void setName(String name) {

this.name = name

}

public String getId() {

return id

}

public void setId(String id) {

this.id = id

}

public String getClazz() {

return clazz

}

public void setClazz(String clazz) {

this.clazz = clazz

}

public int getAge() {

return age

}

public void setAge(int age) {

this.age = age

}

public String getAddress() {

return address

}

public void setAddress(String address) {

this.address = address

}

}

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