从object数组中取出需要的值

[java]代码库

for(int i=0;i<list.size();i++){
				 	questionTypes = new QuestionTypes();
					Object[] object=(Object[])list.get(i);
					questionTypes.setId(object[0].toString());
					String testId =object[0].toString();					
					questionTypes.setQuestionTypeName(object[3].toString());
					String testName =object[3].toString();
					questionList.add(questionTypes);