class AA extends Object{ //extends Object는 상속가능 ; 보통의 경우 생략!
public String toString(){
return "AA";
}
}
class BB extends AA{ // 재정의 예
public String toString(){
return "BB";
}
}
class CC extends BB{ // 재정의 예
public String toString(){
return "CC";
}
}
public class Over01 {
public static void main(String[] args) {
Object o; //다형성 구현을 위한 참조변수 범위 정의! (이 예제는 최상위이다.)
//AA로 재정의!
o = new Object();
System.out.println(o.toString());
// System.out.println(((AA)o).toString()); //범위
// System.out.println(((BB)o).toString());
//각각의 함수 클래스로 재정의!
o= new AA();
System.out.println(o.toString()); //범위; 코드는 같지만 -> AA
o= new BB();
System.out.println(o.toString()); //범위; 코드는 같지만 -> BB
o= new CC();
System.out.println(o.toString()); //범위; 코드는 같지만 -> CC
}
}
- Open in Google Docs Viewer
- Open link in new tab
- Open link in new window
- Open link in new incognito window
- Download file
- Copy link address
- Edit PDF File on PDFescape.com
- Open in Google Docs Viewer
- Open link in new tab
- Open link in new window
- Open link in new incognito window
- Download file
- Copy link address
- Edit PDF File on PDFescape.com
element
| Font | |
|---|---|
| font-family | |
| font-size | |
| font-style | |
| font-variant | |
| font-weight | |
| letter-spacing | |
| line-height | |
| text-decoration | |
| text-align | |
| text-indent | |
| text-transform | |
| white-space | |
| word-spacing | |
| color | |
| Background | |
| bg-attachment | |
| bg-color | |
| bg-image | |
| bg-position | |
| bg-repeat | |
| Box | |
| width | |
| height | |
| border-top | |
| border-right | |
| border-bottom | |
| border-left | |
| margin | |
| padding | |
| max-height | |
| min-height | |
| max-width | |
| min-width | |
| outline-color | |
| outline-style | |
| outline-width | |
| Positioning | |
| position | |
| top | |
| bottom | |
| right | |
| left | |
| float | |
| display | |
| clear | |
| z-index | |
| List | |
| list-style-image | |
| list-style-type | |
| list-style-position | |
| Table | |
| vertical-align | |
| border-collapse | |
| border-spacing | |
| caption-side | |
| empty-cells | |
| table-layout | |
| Effects | |
| text-shadow | |
| -webkit-box-shadow | |
| border-radius | |
| Other | |
| overflow | |
| cursor | |
| visibility |
element
| Font | |
|---|---|
| font-family | |
| font-size | |
| font-style | |
| font-variant | |
| font-weight | |
| letter-spacing | |
| line-height | |
| text-decoration | |
| text-align | |
| text-indent | |
| text-transform | |
| white-space | |
| word-spacing | |
| color | |
| Background | |
| bg-attachment | |
| bg-color | |
| bg-image | |
| bg-position | |
| bg-repeat | |
| Box | |
| width | |
| height | |
| border-top | |
| border-right | |
| border-bottom | |
| border-left | |
| margin | |
| padding | |
| max-height | |
| min-height | |
| max-width | |
| min-width | |
| outline-color | |
| outline-style | |
| outline-width | |
| Positioning | |
| position | |
| top | |
| bottom | |
| right | |
| left | |
| float | |
| display | |
| clear | |
| z-index | |
| List | |
| list-style-image | |
| list-style-type | |
| list-style-position | |
| Table | |
| vertical-align | |
| border-collapse | |
| border-spacing | |
| caption-side | |
| empty-cells | |
| table-layout | |
| Effects | |
| text-shadow | |
| -webkit-box-shadow | |
| border-radius | |
| Other | |
| overflow | |
| cursor | |
| visibility |
