dap4/d4core/src/main/java/dap4/core/util/DapUtil.java
static public String fqnSuffix(String fqn)
    {
        int structindex = fqn.lastIndexOf('.');
        int groupindex = fqn.lastIndexOf('/');
        if(structindex >= 0)
            return fqn.substring(structindex + 1, fqn.length());
        else
            return fqn.substring(groupindex + 1, fqn.length());
    }
static public String fqnSuffix(String fqn)
    {
        int structindex = fqn.lastIndexOf('.');
        int groupindex = fqn.lastIndexOf('/');
        if(structindex >= 0)
            return fqn.substring(structindex + 1, fqn.length());
        else
            return fqn.substring(groupindex + 1, fqn.length());
    }
return last name part of an fqn; result will be escaped.