dsapoetra

interface Pizza{
     void cook();
     String getTopping();
}
//=======
class PepperoniPizza implements Pizza{
    String topping;
    void cook() {
    	System.out.println("Cooking pepperoni pizza");
    }

dsapoetra

abstract class Pizza {
    String topping;
    String getTopping() {
    	return this.topping;
    }
    abstract void cook();
}
// ===========
class PepperoniPizza extends Pizza {
   void cook() {

dsapoetra

public class HealthInsuranceCustomerProfile implements CustomerProfile {
	@Override 
  public boolean isLoyalCustomer() {
		return true;	
	}
}

dsapoetra

public class HealthInsuranceCustomerProfile {
	public boolean isLoyalCustomer() {
		return true;	
	}
}

dsapoetra

public class HealthInsuranceCustomerProfile {
	public boolean isLoyalCustomer() {
		return true;	
	}
}

dsapoetra

public class Student {
    private String studentId;
    private String address;
    private Date studentDayOfBirth;

    public void save() {
        new StudentRepository.save(this); 
    }

    public String getStudentId() {

dsapoetra

public class Student {
    private String studentId;
    private String address;
    private Date studentDayOfBirth;

    public void save() {
        String objectStr = MyUtils.serializeIntoAString(this);
        Connection connection = null;
        Statement statement = null;
        try {

dsapoetra

public class Square {

    private int side = 5;

    public int getArea() {
        return side * side;
    }

    public int getPerimeter() {
        return side * 4;

dsapoetra

public class Square {

    private int side = 5;

    public int getArea() {
        return side * side;
    }

    public int getPerimeter() {
        return side * 4;

dsapoetra

public class Square {

    private int side = 5;

    public int getArea() {
        return side * side;
    }

    public int getPerimeter() {
        return side * 4;