Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {

    public static String replaceUpCase(String str) {
        StringBuffer sb = new StringBuffer();
        char[] c = str.toCharArray();
        for (int i = 0; c != null && i < c.length; i++) {
            if (i == 0) {
                sb.append(("" + c[i]).toUpperCase());
            } else if (c[i] < 97) {
                sb.append(("_" + c[i]));
            } else {
                sb.append(c[i]);
            }
        }
        return sb.toString();
    }
}