Greater of two values

package com.company;

import java.util.Scanner;

public class GreaterOfTwoValues {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String typeVariable = sc.nextLine();
        if (typeVariable.equals("int")) {
            int n1 = Integer.parseInt(sc.nextLine());
            int n2 = Integer.parseInt(sc.nextLine());
            System.out.println(getMax(n1, n2));
        } else if (typeVariable.equals("char")) {
            char ch1 = sc.nextLine().charAt(0);
            char ch2 = sc.nextLine().charAt(0);
            System.out.println(getMax(ch1, ch2));
        } else if (typeVariable.equals("string")) {
            String str1 = sc.nextLine();
            String str2 = sc.nextLine();
            System.out.println(getMax(str1, str2));
        }
    }

    private static int getMax(int n1, int n2) {
        int res = 0;
        res = Math.max(n1, n2);

        return res;
    }

    private static char getMax(char ch1, char ch2) {
        char res = ' ';
        if (ch1 > ch2) {
            res = ch1;
        } else {
            res = ch2;
        }

        return res;
    }

    private static String getMax(String str1, String str2) {
        String res = "";
        if (str1.length() > str2.length()) {
            res = str1;
        } else {
            res = str2;
        }

        return res;
    }
}