abstract class A {
//class A {
//void Sub();
/*
sub()function classfrom the role is none
A classinherited from subclassfrom must re-definition
use mandatory for purpose only having exists.
*/
abstract void Sub();
// in this case abstract method is created, functionheaderbefore abstract
//abstract method implementation not allowed. "{}"} cannot be used.
//abstract method after just ";" ends.
//abstract method after must abstract class must be ->abstract class A { must
//this abstract method .
void Sub1(){ //occurrencememberfunction : all abstract method come needed none.
System.out.println("Aclass");
}
}
class B extends A{
void Sub(){ //abstract class re-definition -> to write even if none void Sub(){}at least definitionmust do.
//abstractclass from inheritance classbefore abstract method re-definitionif not inheritance class
//auto abstract class class keyword before abstract keyword re-must.
//referencevariable definition possible newoperation object definition impossible
System.out.println("Bre-definition");
}
}
public class Abstract01 {
public static void main(String[] args) {
A a1;
//a1=new A(); // abstract class referencevariable definition possible
// newoperation object definition not possible.
B b1;
b1 =new B();
}
}
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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 |
