Mishco

@Bean
public Store store() {
    Store store = new Store();
    store.setItem(item1());
    return store;
}

Mishco

public class Store {
    private Item item;
 
    public Store() {
        item = new ItemImpl1();    
    }
}
public class Store {
    private Item item;
    public Store(Item item) {

Mishco

public class WeatherTracker {
    public String currentConditions;

    public void setCurrentConditions(String weatherDescription) {
        this.currentConditions = weatherDescription;
    }

    public void notify(Notifier notifier) {
        notifier.alertWeatherConditions(currentConditions);
    }

Mishco

public interface Notifier {
    void alertWeatherConditions(String weatherConditions);
}

public class Email implements Notifier {
    @Override
    public void alertWeatherConditions(String weatherConditions) {
        if (weatherConditions == "sunny");
            System.out.print("It is sunny");
    }

Mishco

public class WeatherTracker {
    public String currentConditions;
    private Phone phone;
    private Emailer emailer;

    public WeatherTracker() {
        phone = new Phone();
        emailer = new Emailer();
    }

Mishco

public class CurrentAccount extends Account implements Deposable, Withdrawable {
    @Override
    protected void deposit(BigDecimal amount) {
        // Deposit into CurrentAccount
    }
    @Override
    protected void withdraw(BigDecimal amount) {
        // Withdraw from CurrentAccount
    }
}

Mishco

public interface Depositable {
    void deposit(BigDecimal amount);
}
public interface Withdrawable {
    void withdraw(BigDecimal amount);
}
public abstract class Account {
    // keep for private
}

Mishco

public abstract class Account {
    protected abstract void deposit(BigDecimal amount);
    protected abstract void withdraw(BigDecimal amount);
}


/**
*  Empty method
*/
public class FixedTermDepositAccount extends Account {

Mishco

public class BasicPrinter implements Printer {
    @Override
    public boolean print() {
        //Logic for printing
        return true;
    }
}
public class BasicScanner implements Scan {
    @Override
    public boolean scan() {

Mishco

public interface Scan {
    boolean scan();
}
public interface Printer {
    boolean print();
}
public interface Fax {
    boolean fax();
}
public class MultifunctionalFaxPrinter implements Printer, Fax, Scan {