java code of class

 import java.util.Scanner;

class Numeral

{

Scanner s= new Scanner(System.in);

int arr[] =new int[10];

{

System.out.println("enter the ten number of array");

for(int i=0;i<10;i++) {

arr[i]=s.nextInt();

}

}

}

class Numplay extends Numeral{

double sum=0;

double avg;

int temp=0;

void display() {

System.out.println("you entered elements is:");

for(int i=0;i<10;i++) {

System.out.print(" "+arr[i]);

}

}

void getsum() {

for(int i=0;i<10;i++) {

sum=(sum+arr[i]);

}

System.out.println("Ans-2)the sum is :"+sum);

}

void getaverage() {

for(int i=0;i<10;i++) {

sum=(sum+arr[i]);

}

double avr = sum/10;

System.out.println("ans-3)the average is :"+avr);

}

void findMaximum() {

int max=arr[0];

for(int i=0;i<10;i++) {

if(max<arr[i]) {

max=arr[i];

}

}

System.out.println("the max num is :"+max);

}

void findminimum() {

int x=arr[0];

for(int i=1;i<9;i++) {

if(x>arr[i]) {

x=arr[i];

}

}

System.out.println("the minimum num is :"+x);

}

void app() {

System.out.println("enter method choice:"+'\n'+"display: enter num"+'\n'+"'sum: enter 2"+'\n'+"average:enter 3"+'\n'+"max:enter 4"+'\n'+"min:enter 5");

int choice =s.nextInt();

switch(choice) {

case 1:

display();

break;

case 2:

getsum();

break;

case 3:

getaverage();

break;

case 4:

findMaximum();

break;

default:

System.out.println("invalid choice");

}

}

}

public class ankush{

public static void main(String[] args) {

Numplay num=new Numplay();

num.app();

}

}