[数据结构与算法]Java Lambda default 默认方法（三）

Java Lambda default 默认方法（三）

public interface AAA {
	default void say() {
		System.out.println("wfsb AAA.");
	}
}

public interface BBB extends AAA {
	default void say() {
		System.out.println("wfsb BBB.");
	}
}

public class DDD implements AAA {
	public void say() {
		System.out.println("wfsb DDD.");
	}
}

public class FFF extends DDD implements BBB, AAA{

	public static void main(String[] args) {
		FFF fff = new FFF();
		fff.say();
	}

}

wfsb DDD.

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