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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ~~~ package obj.c5; /** 接口:初步理解,接口是一個特殊的抽象類,當抽象類中全部是抽象方法時,可以通過 接口的形式來體現。 class用來定義類 interface 用于定義接口 接口中成員的格式: 1.public static final String NAME ="小李";//全局常量 2.public abstract void show();//抽象方法 注意: 1.接口只能出現public 訪問修飾符 2.接口不可以創建對象,因為里面有抽象方法,需要被子類實現,子類對接口中所有的抽象 方法實現后,子類才能實例化,否則子類就是一個抽象類 */ interface smoket{ String NAME="小李";//會自動加上public static final void show();//會自動加上public abstract } class Student implements smoket{ @Override public void show() { System.out.println("在吸煙"); } } public class Test { public static void main(String[] args){ new Student().show(); } } ~~~ ![](https://box.kancloud.cn/f0895c584dcddbec50c096d77bb2e8f0_656x209.png) ![](https://box.kancloud.cn/019d0b8985d9399a0f8b3ddc9183269e_567x291.png) ![](https://box.kancloud.cn/cf8c5b492f6d8fdf6134a69cd5e68cb6_537x392.png) ![](https://box.kancloud.cn/f21620c1c7f9c214fcf644675ea8dd70_639x254.png)
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                              哎呀哎呀视频在线观看