public String toString(){
		StringBuilder sb = new StringBuilder();
		sb.append("options:");
		sb.append("{");
		sb.append("lableData=").append(lableData).append("|");
		sb.append("trainData=").append(trainData).append("|");
		sb.append("outputPath=").append(outputPath).append("|");
		sb.append("removeLData=").append(removeLData).append("|");
		sb.append("weakLearning=").append(weakLearning).append("|");
		sb.append("wordLength=").append(wordLength).append("|");
		if(wordCharacter !=null){
			sb.append("wordCharacter=");
			for(String s : wordCharacter){
				sb.append(s).append(",");
			}
			sb.delete(sb.length()-1,sb.length());
		}
		sb.append("|");
		if(classes != null){
			sb.append("classes=");
			for(String s : classes){
				sb.append(s).append(",");
			}
			sb.delete(sb.length()-1, sb.length());
		}
		sb.append("|");
		sb.append("alpha=").append(alpha);
		sb.append("}");
		return sb.toString();
	}