import java.util.Scanner;
class alloperation {
public static void main(String[] args) {
Scanner scan1=new Scanner(System.in);
System.out.print("masukan banyak nilai yang diinput= ");
int x=scan1.nextInt();
System.out.println("1. menghitung nilai modus");
System.out.println("2. menghitung nilai min dan max");
System.out.println("3. menghitung nilai median");
System.out.println("4. menghitung nilai rata2");
System.out.print("masukan piihan(1-4)=");int pilih=scan1.nextInt();
switch(pilih){