java中list怎么取前几条数据

	public static void main(String[] args) {
    
    
		List<String> list = new ArrayList<>();
		list.add("a");
		list.add("b");
		list.add("c");
		list.add("d");

		List<String> newList = list.subList(0, 2);
		System.out.println("取前两条数据:"+newList);
	}

控制台打印:取前两条数据:[a, b]

核心方法:

List newList = list.subList(start, end);
start,end分别是第几个到第几个

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转载自blog.csdn.net/ABCAA1024/article/details/125300790