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Java - Calculate Area Of Rectangle And Area Of Circle Using Interface
Senthilvelan Sambamoorthy
Aug 21
2016
Code
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test7.rar
interface
area
{
double
pi =
3.14
;
double
calc(
double
x,
double
y);
}
class
rect
implements
area
{
public
double
calc(
double
x,
double
y)
{
return
(x*y);
}
}
class
cir
implements
area
{
public
double
calc(
double
x,
double
y)
{
return
(pi*x*x);
}
}
class
test7
{
public
static
void
main(String arg[])
{
rect r =
new
rect();
cir c =
new
cir();
area a;
a = r;
System.out.println(
"\nArea of Rectangle is : "
+a.calc(
10
,
20
));
a = c;
System.out.println(
"\nArea of Circle is : "
+a.calc(
15
,
15
));
}
}
Java
Area Of Rectangie
Area Of Circle
Interface