小白求助，如何解决要求？？？？？？

Question

Answer 1

public class JsonText {
public static void main(String[] args) {
Student student = new Student();
System.out.println(student);
}
}
class Student{
private String name;
private Integer age;
private char sex;
private float score;
/**
* 不建议用isPass,容易发生错误
*/
private Boolean isPass;

public Student() {
    this.name = "张三";
    this.age = 18;
    this.sex = '男';
    this.score = 66.6f;
    this.isPass = Boolean.TRUE;
}

@Override
public String toString() {
    return "Student{" +
            "name='" + name + '\'' +
            ", age=" + age +
            ", sex=" + sex +
            ", score=" + score +
            ", isPass=" + isPass +
            '}';
}

}