import java.text.DecimalFormat;

public class CircleProperties $\{$

public static void main$($String$[]$ args$)\{$

double radius $=10\mathrm{.}25$; $//$input radius

double diameter $=$ radius $*2$; $//$calculate diameter

double circumference $=3\mathrm{.}1415*$ diameter; $//$calculate circumference

double area $=3\mathrm{.}1415*$ radius $*$ radius; $//$calculate area

double semicircleArea $=$ area $/2$; $//$calculate area of semicircle

DecimalFormat df $=$ new DecimalFormat$("$#$.$#######$")$;

System.out.println$("$Properties of a Circle"$)$;

System.out.println$("$Radius : $"+$ df$.$format$($radius$))$;

System.out.println$("$Diameter : $"+$ df$.$format$($diameter$))$;

System.out.println$("$Circumference : $"+$ df$.$format$($circumference$))$;

System.out.println$("$Area : $"+$ df$.$format$($area$))$;

System.out.println$("$Area of Semicircle : $"+$ df$.$format$($semicircleArea$))$;

System.out.println$("$

Properties $\backslash "$Rounded$\backslash "$ Down"$)$;

System.out.println$("$Radius : $"+($int$)$ radius$)$;

System.out.println$("$Diameter : $"+($int$)$ diameter$)$;

System.out.println$("$Circumference : $"+($int$)$ circumference$)$;

System.out.println$("$Area : $"+($int$)$ area$)$;

System.out.println$("$Area of Semicircle : $"+($int$)$ semicircleArea$)$;

$\}$

$\}$