Created
July 26, 2017 13:49
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package vn.nvanhuong.java_lab; | |
//Inheritance from defined default methods | |
interface Foo{ | |
default void method() { | |
System.out.println("Foo"); | |
}; | |
} | |
interface Bar{ | |
default void method() { | |
System.out.println("Bar"); | |
}; | |
} | |
class MyClass implements Foo, Bar{ | |
@Override | |
public void method() { | |
Foo.super.method(); //compiler forces to explicitly define this if inheritance | |
} | |
} | |
//Inheritance from defined static methods | |
class StaticFoo{ | |
static void staticMethod() { | |
System.out.println("StaticFoo"); | |
} | |
} | |
class StaticBar extends StaticFoo{ | |
static void staticMethod() { | |
System.out.println("StaticBar"); | |
} | |
} | |
class MyStaticClass extends StaticBar{ | |
static void myStaticMethod() { | |
staticMethod(); //default -> uses from direct parent | |
StaticFoo.staticMethod(); //users must explicitly defines if inheritance | |
} | |
} | |
//Result | |
public class MultiInheritance { | |
public static void main(String[] args) { | |
MyClass myClass = new MyClass(); | |
myClass.method(); | |
//Foo | |
MyStaticClass.myStaticMethod(); | |
//StaticBar | |
//StaticFoo | |
} | |
} |
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