import java.io.*;
public class FileReadingTest {
public static void main(String args[]){
String fileName = args[0];
int line =Integer.parseInt(args[1]);
String contents = "";
try {
FileReader fileReader = new FileReader(fileName);
BufferedReader bufferedReader = new BufferedReader(fileReader);
for(int i = 0;i<line;i++) {
if((contents = bufferedReader.readLine())!=null)
System.out.println(contents);
}
bufferedReader.close();
fileReader.close();
}
catch (IOException e) {
System.out.println("Errors occured");
System.exit(1);
}
}
}
Java 按行读取文件内容(控制台输入文件名,读取行数)
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转载自blog.csdn.net/GreatSimulation/article/details/106760453
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