Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static String makeQuestionmarks(int n) {
        if (n <= 0) {
            return "";
        }
        StringBuilder builder = new StringBuilder("?");
        for (int i = 1; i < n; i++) {
            builder.append(",?");
        }
        return builder.toString();
    }
}