Write code to convert first Char Upper Case
//package com.book2s; public class Main { public static void main(String[] argv) { String str = "book2s.com"; System.out.println(firstCharUpperCase(str)); }/* w w w .j a v a 2s .co m*/ public static String firstCharUpperCase(String str) { StringBuffer buffer = new StringBuffer(str); if (buffer.length() > 0) { char c = buffer.charAt(0); buffer.setCharAt(0, Character.toUpperCase(c)); } return buffer.toString(); } }