JAva SCannerは配列内容を取得します.

package com.poi.importxls;

import java.util.Arrays;
import java.util.Scanner;


public class ScannerDemo {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in) ;
        int[] a = new int[5];
        for (int i = 0; i < 5; i++) {
            int b = scanner.nextInt();
            a[i] = b;
        }
        Arrays.sort(a);
        System.out.println("   ："+a[0]+"   ："+a[4]);
        scanner.close();

    }