package J20250722; import java.util.Objects; /** * @author WanJl * @version 1.0 * @title Teacher * @description * @create 2025/7/22 */ public class Teacher implements Comparable{ private Integer id; private String name; public Teacher() { } public Teacher(Integer id, String name) { this.id = id; this.name = name; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Teacher teacher = (Teacher) o; return Objects.equals(id, teacher.id) && Objects.equals(name, teacher.name); } @Override public int hashCode() { return Objects.hash(id, name); } @Override public String toString() { return "Teacher{" + "id=" + id + ", name='" + name + '\'' + '}'; } //按照ID从小到大排序 @Override public int compareTo(Teacher o) { int result=this.getId()-o.getId(); result=result==0?this.getName().compareTo(o.getName()):result; return result; } }