public String getDicOrder(String str){
		char[] chs = new char[str.length()];
		for(int i = 0; i < str.length(); i++)
			chs[i] = str.charAt(i);
		for(int i = 0; i < str.length() - 1; i++)
			for(int j = 0; j < str.length() - 1 - i; j++){
				if(chs[j] > chs[j+1]){
					char ch = chs[j];
					chs[j] = chs[j+1];
					chs[j+1] = ch;
				}
			}
		return new String(chs);
	}