Java tutorial
//package com.java2s; public class Main { public static String javaToDexName(String javaName) { javaName = javaName.replace('.', '/'); if (javaName.length() > 1 && javaName.charAt(javaName.length() - 1) != ';') { javaName = 'L' + javaName + ';'; } return javaName; } }