Write code to remove Adjacent Underscores
//package com.book2s; public class Main { public static void main(String[] argv) { String string = "boo__k_2s.com"; System.out.println(removeAdjacentUnderscores(string)); }//from www .j ava2s.c o m public static String removeAdjacentUnderscores(String string) { StringBuilder builder = new StringBuilder(string); for (int i = 0; i < builder.length() - 1; i++) { if (builder.charAt(i) == '_' && builder.charAt(i + 1) == '_') { builder.deleteCharAt(i); i--; } } return builder.toString(); } }