import java.util.*;
public class inne_uts {
public inne_uts() {
} public static void main(String[] args)
throws IOException {
BufferedReader DataIn = new
BufferedReader (new InputStreamReader
(System.in));
String input = null ;
int jari_jari ;
double luas,luasling,keliling;
int pil;
try{
System.out.println ("==============================");
System.out.println ("| |");
System.out.println("| MENU PILIHAN |");
System.out.println("| 1.LOOPING |");
System.out.println("| 2.MENGHITUNG LUAS LINGKARAN |");
System.out.println("| 3.KELUAR |");
System.out.println ("| |");
System.out.println ("==============================");
System.out.println ("");
System.out.println ("masukkan pilihan anda=");
input=DataIn.readLine();
pil=Integer.parseInt(input);
if(pil==1)
{ System.out.println ("++++++++++++++++++++++++++++++");
Scanner Input = new Scanner (System.in);
System.out.println ("masukkan nilai awal :");
int awal= Input.nextInt();
System.out.println ("masukkan nilai akhir :");
int akhir= Input.nextInt();
System.out.println ("++++++++++++++++++++++++++++++");
while (awal<=akhir)
{System.out.println (awal+"");
awal=awal+5;
} }
else if (pil==2)
{System.out.println (" ");
System.out.println ("MENGHITUNG LUAS LINGKARAN");
System.out.println ("masukkan jari_jari = ");
jari_jari=Integer.parseInt(DataIn.readLine());
luas=(3.14*jari_jari*jari_jari);
System.out.println ("jari_jari adalah " +jari_jari);
System.out.println ("luas adalah " +luas);
}else if(pil==3)
{ System.out.println ("KELUAR");
}else
{System.out.println ("");
System.out.println ("salah pilih nomor coyyy!!!");}
}catch (NumberFormatException s){
System.out.println ("erorrr!!!");
System.exit(1);
}}}
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