Method add

src/org/antlr/codebuff/misc/HashBag.java:51–60

(T key)

	}

	public Integer add(T key) {
		MutableInt I = data.get(key);
		if ( I==null ) {
			data.put(key, new MutableInt(1));
		}
		else {
			I.inc();
		}
		return get(key);
	}

	@Override
	public Integer remove(Object key) {