src/com/chenlb/mmseg4j/Chunk.java
public int getLen() {
		if(len < 0) {
			len = 0;
			count = 0;
			for(Word word : words) {
				if(word != null) {
					len += word.getLength();
					count++;
				}
			}
		}
		return len;
	}
public int getLen() {
		if(len < 0) {
			len = 0;
			count = 0;
			for(Word word : words) {
				if(word != null) {
					len += word.getLength();
					count++;
				}
			}
		}
		return len;
	}
Word Length