逐行读取文件2.txt内容,存到hashmap中
时间: 2023-06-03 13:03:27 浏览: 57
好的,可以通过以下Java代码实现:
```
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.HashMap;
public class ReadFileToHashMap {
public static void main(String[] args) {
String fileName = "2.txt";
HashMap<String, String> hashMap = new HashMap<>();
try (BufferedReader br = new BufferedReader(new FileReader(fileName))) {
String line;
while ((line = br.readLine()) != null) {
String[] parts = line.split(":");
String key = parts[0];
String value = parts[1];
hashMap.put(key, value);
}
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("HashMap contents:");
for (String key : hashMap.keySet()) {
System.out.println(key + " => " + hashMap.get(key));
}
}
}
```
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