class circle
{
public float r;
public void set radius()
{
r=10;
}
public void findarea()
{
float area=3.14f*r*r;
System.out.println("The area is="+area);
}
}
public test class
{
public static void main(String ap[])
{
Circle c1=new Circle();
System.out.println("the value of r is=c1.r);
c1.setRadius();
System.out.println(The value of r is="c1.r);
c1.findarea();
}
}
{
public float r;
public void set radius()
{
r=10;
}
public void findarea()
{
float area=3.14f*r*r;
System.out.println("The area is="+area);
}
}
public test class
{
public static void main(String ap[])
{
Circle c1=new Circle();
System.out.println("the value of r is=c1.r);
c1.setRadius();
System.out.println(The value of r is="c1.r);
c1.findarea();
}
}
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