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<blockquote data-quote="tery123" data-source="post: 18407030" data-attributes="member: 343391">[PHP]/** &nbsp;*class&nbsp; : Cube &nbsp;*Author : Kanishka Dilshan &nbsp;*Purpose: Demonstrate inheritance in Java &nbsp;*Blog&nbsp;&nbsp; : http://javaxclass.blogspot.com &nbsp;*/&nbsp; &nbsp; &nbsp; class Cube {&nbsp; &nbsp;protected int length;&nbsp; &nbsp;protected int width;&nbsp; &nbsp;protected int height;&nbsp; &nbsp;&nbsp; &nbsp;public Cube(int l,int w,int h){&nbsp; &nbsp; length=l;&nbsp; &nbsp; width=w;&nbsp; &nbsp; height=h;&nbsp; &nbsp;}&nbsp; &nbsp;&nbsp; &nbsp;public void setLength(int l){&nbsp; &nbsp; length=l;&nbsp;&nbsp; &nbsp;}&nbsp; &nbsp;&nbsp; &nbsp;public void setWidth(int w){&nbsp; &nbsp; width=w;&nbsp;&nbsp; &nbsp;}&nbsp;&nbsp; &nbsp;&nbsp; &nbsp;public void setHeight(int h){&nbsp; &nbsp; width=h;&nbsp;&nbsp; &nbsp;}&nbsp; &nbsp;&nbsp; &nbsp;public int getVolume(){&nbsp; &nbsp; return(length*width*height);&nbsp; &nbsp;}&nbsp; &nbsp; &nbsp;public void showInfo(){&nbsp; &nbsp; System.out.println(&quot;Length \t:&quot;+this.length);&nbsp; &nbsp; System.out.println(&quot;Width&nbsp; \t:&quot;+this.width);&nbsp; &nbsp; System.out.println(&quot;Height \t:&quot;+this.height);&nbsp; &nbsp; System.out.println(&quot;Volume \t:&quot;+getVolume());&nbsp; &nbsp;}&nbsp; }&nbsp; [/PHP][PHP]/** &nbsp;*class&nbsp; : ColorCube &nbsp;*Author : Kanishka Dilshan &nbsp;*Purpose: Demonstrate inheritance in Java &nbsp;*Blog&nbsp;&nbsp; : http://javaxclass.blogspot.com &nbsp;*/&nbsp; &nbsp; class ColorCube extends Cube {&nbsp; &nbsp;String color;&nbsp; &nbsp;&nbsp; &nbsp;public ColorCube(int l,int w,int h,String color){&nbsp; &nbsp; //constructing the parent&nbsp; &nbsp; super(l,w,h);&nbsp; &nbsp; this.color=color;&nbsp; &nbsp;}&nbsp; &nbsp;&nbsp; &nbsp;public void setColor(String color){&nbsp; &nbsp; this.color=color;&nbsp; &nbsp;}&nbsp; &nbsp;&nbsp; &nbsp;public void showInfo(){&nbsp; &nbsp; super.showInfo();&nbsp; &nbsp; System.out.println(&quot;Color \t:&quot;+this.color);&nbsp; &nbsp;}&nbsp; }&nbsp; [/PHP][PHP]/** &nbsp;*class&nbsp; : InheritanceDemo &nbsp;*Author : Kanishka Dilshan &nbsp;*Purpose: Demonstrate inheritance in Java &nbsp;*Blog&nbsp;&nbsp; : http://javaxclass.blogspot.com &nbsp;*/&nbsp; &nbsp; class InheritanceDemo {&nbsp; &nbsp;public static void main(String args[]){&nbsp; &nbsp; Cube cube1=new Cube(3,7,5);&nbsp; &nbsp; ColorCube ccb1=new ColorCube(2,9,4,&quot;Blue&quot;);&nbsp; &nbsp; &nbsp; &nbsp; cube1.showInfo();&nbsp; &nbsp; System.out.println(&quot;_____________________________&quot;);&nbsp; &nbsp; ccb1.showInfo();&nbsp; &nbsp; &nbsp; &nbsp; System.out.println(&quot;\nMaking changes to cube objects....&quot;);&nbsp; &nbsp; cube1.setWidth(8);&nbsp; &nbsp; ccb1.setColor(&quot;Yellow&quot;);&nbsp; &nbsp; ccb1.setHeight(6); //this methods is inherited by the Cube class&nbsp; &nbsp; System.out.println(&quot;New info. of modified objects\n&quot;);&nbsp; &nbsp; &nbsp; cube1.showInfo();&nbsp; &nbsp; System.out.println(&quot;_____________________________&quot;);&nbsp; &nbsp; ccb1.showInfo();&nbsp; &nbsp; &nbsp;}&nbsp; }&nbsp; [/PHP]menna meke out put eke waradak thiyenawada???<img src="http://i60.tinypic.com/8wm6c0.png" alt="" class="fr-fic fr-dii fr-draggable " style="" />meke ccb1 kiyana object eke out put eka 2,9,6,108 ,yello neda???dewini para modify kalahama????</blockquote>

[QUOTE="tery123, post: 18407030, member: 343391"] [PHP]/** *class : Cube *Author : Kanishka Dilshan *Purpose: Demonstrate inheritance in Java *Blog : http://javaxclass.blogspot.com */ class Cube { protected int length; protected int width; protected int height; public Cube(int l,int w,int h){ length=l; width=w; height=h; } public void setLength(int l){ length=l; } public void setWidth(int w){ width=w; } public void setHeight(int h){ width=h; } public int getVolume(){ return(length*width*height); } public void showInfo(){ System.out.println("Length \t:"+this.length); System.out.println("Width \t:"+this.width); System.out.println("Height \t:"+this.height); System.out.println("Volume \t:"+getVolume()); } } [/PHP] [PHP]/** *class : ColorCube *Author : Kanishka Dilshan *Purpose: Demonstrate inheritance in Java *Blog : http://javaxclass.blogspot.com */ class ColorCube extends Cube { String color; public ColorCube(int l,int w,int h,String color){ //constructing the parent super(l,w,h); this.color=color; } public void setColor(String color){ this.color=color; } public void showInfo(){ super.showInfo(); System.out.println("Color \t:"+this.color); } } [/PHP] [PHP]/** *class : InheritanceDemo *Author : Kanishka Dilshan *Purpose: Demonstrate inheritance in Java *Blog : http://javaxclass.blogspot.com */ class InheritanceDemo { public static void main(String args[]){ Cube cube1=new Cube(3,7,5); ColorCube ccb1=new ColorCube(2,9,4,"Blue"); cube1.showInfo(); System.out.println("_____________________________"); ccb1.showInfo(); System.out.println("\nMaking changes to cube objects...."); cube1.setWidth(8); ccb1.setColor("Yellow"); ccb1.setHeight(6); //this methods is inherited by the Cube class System.out.println("New info. of modified objects\n"); cube1.showInfo(); System.out.println("_____________________________"); ccb1.showInfo(); } } [/PHP] menna meke out put eke waradak thiyenawada??? [IMG]http://i60.tinypic.com/8wm6c0.png[/IMG] meke [COLOR="red"]ccb1 kiyana object [/COLOR]eke out put eka [COLOR="Red"]2,9,6,108 ,yello[/COLOR] neda???dewini para modify kalahama???? [/QUOTE]

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