JAVA EE: Java Tutorial : Defining an Interface

Wednesday, 13 January 2016

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Java Tutorial : Defining an Interface

Interface1.java

public interface Interface1
{
    public void sayHi();
}

Interface2.java

public interface Interface2
{
    public void sayGo();
}

Interface3.java

public interface Interface3
{
    public void sayBye();
}

Person.java

public interface Person extends Interface1,Interface2,Interface3
{
    abstract void sayWelcome();
    
    default void displayMessage(String message)
    {
        System.out.println(message);
    }
    
    static void displayName(String name)
    {
        System.out.println(name);
    }
    
    class innerClass
    {
        //----
    }
}