class Teacher {
   private String designation = "Teacher";
   private String collegeName = "Beginnersbook";
   public String getDesignation() {
        return designation;
   }
   protected void setDesignation(String designation) {
        this.designation = designation;
   }
   protected String getCollegeName() {
        return collegeName;
   }
   protected void setCollegeName(String collegeName) {
        this.collegeName = collegeName;
   }
   void does(){
        System.out.println("Teaching");
   }
}
 
public class JavaExample extends Teacher{
   String mainSubject = "Physics";
   public static void main(String args[]){
        JavaExample obj = new JavaExample();
        /* Note: we are not accessing the data members 
         * directly we are using public getter method 
         * to access the private members of parent class
         */
        System.out.println(obj.getCollegeName());
        System.out.println(obj.getDesignation());
        System.out.println(obj.mainSubject);
        obj.does();
   }
}












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