把这个代码打出来。。

public class Test {
    public static void main(String[] args) {
        Student st1 = new Student("有参", 100);
        Student st2 = new Student();
        st2.setName("无参");
        st2.setScore(100);
    }

}

class Student {
    private String name;
    private double score;

    public Student() {
        super();
        // TODO Auto-generated constructor stub
    }

    public Student(String name, double score) {
        super();
        this.name = name;
        this.score = score;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public double getScore() {
        return score;
    }

    public void setScore(double score) {
        this.score = score;
    }
}

public class Student {
//姓名
private String name;
//成绩
private Double score;

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public Double getScore() {
    return score;
}

public void setScore(Double score) {
    this.score = score;
}

//无惨构造
public Student() {
}
//有参构造


public Student(String name, Double score) {
    this.name = name;
    this.score = score;
}

}

public class Test {
public static void main(String[] args) {
Student t1 = new Student();
t1.setName("张三");
t1.setScore(59.9);
Student t2 = new Student("李四",98.5);
}
}