解析和读取文本文件中的数据 [英] Parse and read data from a text file

问题描述

我的文本文件中的数据具有以下格式

I have data in my text file in the following format

apple fruit
carrot vegetable
potato vegetable 

我想逐行阅读并在第一个空格处分割并将其存储在set或map或java的任何类似集合中. (键和值对)

I want to read this line by line and split at the first space and store it in a set or map or any similar collections of java. (key and value pairs)

示例:-
"apple fruit" 应该存储在地图中 key = apple和 value = fruit.

example :-
"apple fruit" should be stored in a map where the key = apple and value = fruit.

推荐答案

扫描仪类可能就是您想要的.

The Scanner class is probably what you're after.

例如:

 Scanner sc = new Scanner(new File("your_input.txt"));
 while (sc.hasNextLine()) {
     String line = sc.nextLine();
     // do whatever you need with current line
 }
 sc.close(); 

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