develop a program in java private member of super class cannot be accessed derived class code example

Example: develop a program in java private member of super class cannot be accessed derived class

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();
   }
}