Write code to get Before Separator Or All
//package com.book2s; public class Main { public static void main(String[] argv) { String name = "book2s.com"; System.out.println(getBeforeSeparatorOrAll(name)); }/*from w w w . j ava2s .c o m*/ private static final String SEPARATOR = ":"; public static String getBeforeSeparatorOrAll(String name) { int index = name.indexOf(SEPARATOR); if (index == -1) return name; return name.substring(0, index); } }