work/Teacher.java

package advanced;

public class Teacher {
    private String id;
    private String name;
    private java.util.List<ClassRoom> classes;
    
    public Teacher() {
        this.classes = new java.util.ArrayList<>();
    }
    
    public Teacher(String id, String name) {
        this.id = id;
        this.name = name;
        this.classes = new java.util.ArrayList<>();
    }
    
    public void addClass(ClassRoom classRoom) {
        classes.add(classRoom);
    }
    
    public void removeClass(ClassRoom classRoom) {
        classes.remove(classRoom);
    }
    
    public String getId() {
        return id;
    }
    
    public void setId(String id) {
        this.id = id;
    }
    
    public String getName() {
        return name;
    }
    
    public void setName(String name) {
        this.name = name;
    }
    
    public java.util.List<ClassRoom> getClasses() {
        return classes;
    }
    
    public void setClasses(java.util.List<ClassRoom> classes) {
        this.classes = classes;
    }
}