百度试题 结果1 题目新建一个流对象,下面的代码正确与否?()new BufferedWriter(new FileWriter(“a.txt”));正确错误 相关知识点: 试题来源: 解析 错误 反馈 收藏
首先,问题重现:使用BufferedWriter带缓冲的写文件时,new BufferedWriter(new FileWriter("d:\\test.txt"));一直抛出没有此构造方法的错误, 但BufferedWriter的api里一定是有此构造方法的,为啥一直new不出来呢??? 经过排查,才知道原来是自己的内名就是BufferedWriter,这样在使用BufferedWriter时就会用自己创建的,就再也不...
importjava.io.BufferedWriter;importjava.io.FileWriter;importjava.io.IOException;publicclassAppendToFile{publicstaticvoidmain(String[]args){Stringfilename="example.txt";Stringcontent="This is a new line.";try(BufferedWriterwriter=newBufferedWriter(newFileWriter(filename,true))){writer.write(content);writer...
new ObjectInputStream(new FileInputStream("a.dat")); E. 以上代码均不正确相关知识点: 试题来源: 解析 new BufferedWriter(new FileWriter("a.txt"));; new GZIPOutputStream(new FileOutputStream("a.zip"));; new ObjectInputStream(new FileInputStream("a.dat"));反馈 收藏 ...
A.new BufferedWriter(new FileWriter(“a.txt”));B.new BufferedReader (new FileInputStream(“a.dat”));C.new GZIPOutputStream(new FileOutputStream(“a.zip”));D.new ObjectInputStream(new FileInputStream(“a.dat”));相关知识点: 试题...
【单选题】新建一个IO流对象,下面哪个选项的代码是错误的?() A. new BufferedWriter(new FileWriter("a.txt")); B. new BufferedReader(new FileInputStream("a.dat")); C. new ObjectOutputStream(new FileOutputStream("a.zip")); D. new ObjectInputStream(new FileInputStream("a.dat"));...
BufferedWriter out; out = new BufferedWriter("c:\\test.txt"); 这种做法是错误的,正确写法是: BufferedWriter out = newBufferedWriter( new fileWriter("c:\\test.txt")); ===今日学习笔记=== 学习内容java的输入输出 1、java没有标准的输入和输出语句,输入输出过程被抽象为输入输出流...
BufferedWriter的构造函数有多个不同的参数选项，可以根据需要选择适合的参数进行实例化。下面是BufferedWriter构造函数的常用参数：1.FileWriter参数：可以使用FileWriter对象作为参数，将字符写入到文件中。例如：```java FileWriter fileWriter=new FileWriter("filename.txt");BufferedWriter bufferedWriter=new BufferedWriter(...
BufferedReader br = new BufferedReader(new FileReader("c:\\a.txt")); BufferedWriter bw = new BufferedWriter(new FileWriter("d:\\b.txt")); String line = null; while ((line = br.readLine()) != null) { bw.write(line); bw.newLine(); bw.flush(); } bw.close(); br.close(); ...
BufferedWriter通过创建缓冲数组,将写入内容先存入缓存,该类有2个构造函数: new new BufferedWriter(Writer, int) //int大小为默认数组的大小 try { BufferedWriter bw = new BufferedWriter(new FileWriter("SourceFile/employee")); bw.write("http://www.cnblogs.com/zhanglei93/".toCharArray()); //写入char数...