src/main/java/org/jivesoftware/smack/RosterEntry.java
public void setName(String name) {
        // Do nothing if the name hasn't changed.
        if (name != null && name.equals(this.name)) {
            return;
        }
        this.name = name;
        Roster packet = new Roster();
        packet.setType(IQ.Type.set);
        packet.addItem(new JID(user), name, ask, subscription, getGroupNames());
        connection.sendPacket(packet);
    }
public void setName(String name) {
        // Do nothing if the name hasn't changed.
        if (name != null && name.equals(this.name)) {
            return;
        }
        this.name = name;
        Roster packet = new Roster();
        packet.setType(IQ.Type.set);
        packet.addItem(new JID(user), name, ask, subscription, getGroupNames());
        connection.sendPacket(packet);
    }
Sets the name associated with this entry.

@param name
the name.