java按行读取text文件

用java一行一行的读取文件里的内容

文件路径为：

项目/resources/category.txt

项目/src/com/test/file/ReadStringFromFileLineByLine.java

代码为

package com.test.file;import java.io.BufferedReader;import java.io.File;import java.io.FileReader;import java.io.IOException;public class ReadStringFromFileLineByLine {public static void main(String[] args) {// TODO Auto-generated method stubtry {File file = new File("resources/category.txt");FileReader fileReader = new FileReader(file);BufferedReader bufferedReader = new BufferedReader(fileReader);StringBuffer stringBuffer = new StringBuffer();String line;while ((line = bufferedReader.readLine()) != null) {stringBuffer.append(line);stringBuffer.append("\n");}fileReader.close();System.out.println("Contents of file:");System.out.println(stringBuffer.toString());} catch (IOException e) {e.printStackTrace();}}}