[Java] 纯文本查看 复制代码

/*已知集合ArrayList中有, ”张三丰”,”景甜”,”林思意”,”鹿晗”; 
	把集合中人名写入当前项目的根目录下的names.txt中,每一个人名占一行;
	要求: 使用try...catch...finally对异常进行处理*/

public class Test {
	public static void main(String[] args) {

		ArrayList<String> array = new ArrayList<>();
		array.add("张三丰");
		array.add("景甜");
		array.add("林思意");
		array.add("鹿晗");

		BufferedWriter bw = null;

		try {
			bw = new BufferedWriter(new FileWriter("names.txt"));

			for (int i = 0; i < array.size(); i++) {
				bw.write(array.get(i));
				bw.newLine();
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (bw != null)
					bw.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}

[Java] 纯文本查看 复制代码

/*已知集合ArrayList中有, ”张三丰”,”景甜”,”林思意”,”鹿晗”; 
	把集合中人名写入当前项目的根目录下的names.txt中,每一个人名占一行;
	要求: 使用try...catch...finally对异常进行处理*/

public class Test {
	public static void main(String[] args) {

		ArrayList<String> array = new ArrayList<>();
		array.add("张三丰");
		array.add("景甜");
		array.add("林思意");
		array.add("鹿晗");

		BufferedWriter bw = null;

		try {
			bw = new BufferedWriter(new FileWriter("names.txt"));

			for (int i = 0; i < array.size(); i++) {
				bw.write(array.get(i));
				bw.newLine();
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (bw != null)
					bw.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}