Added in 1.1. Java documentation forjava.io.BufferedReader. Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
BufferedReader类用于缓冲读取字符,将字节流封装成BufferedReader对象,然后用readLine()逐行读入字符流,直到遇到换行符为止(相当于反复调用Reader类对象的read()方法读入多个字符) 下面摘抄自JAVA API文档 public class BufferedReader extends Reader 1. 2. 3. 4. 5. 6. 7. 从字符输入流中读取文本,缓冲各个字符,从...
import java.util.NoSuchElementException; import java.util.Spliterator; import java.util.Spliterators; import java.util.stream.Stream; import java.util.stream.StreamSupport; public class BufferedReader extends Reader { //底层绑定的字符输入流 private Reader in; //内部充当缓冲区的字符数组 private char ...
importjava.io.BufferedReader;importjava.io.FileReader;publicclassclass1{publicstaticvoidmain(String[] args)throwsException {//创建字符缓冲输入流对象BufferedReaderbr=newBufferedReader(newFileReader("D:/1.txt"));//读数据//一次读取一个字符数组char[] chs =newchar[1024] ;intlen=0;while((len=br.re...
1、java.io.BufferedReader和java.io.BufferedWriter类各拥有8192字符的缓冲区。当BufferedReader在读取文本文件时,会先尽量从文件中读入字符数据并置入缓冲区,而之后若使用read()方法,会先从缓冲区中进行读取。如果缓冲区数据不足,才会再从文件中读取,使用BufferedWriter时,写入的数据并不会先输出到目的地,而是先存储至...
importjava.io.*;importjava.io.*;publicclassReadTextFile{publicstaticvoidmain(String[]args){try{/...
import java.io.InputStreamReader; public class Main { public static void main(String[] args) { try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) { System.out.println("请输入一个整数:"); String input = reader.readLine(); ...
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class BufferedReaderDemo { public static void main(String[] args) throws IOException { BufferedReader in = new BufferedReader(new FileReader("a.txt")); ...
public class Main { public static void main(String[] args) throws Exception { File file = new File("d:/abc/f10"); // 创建文件 file.createNewFile(); // creates a FileWriter Object FileWriter writer = new FileWriter(file); // 向文件写入内容 ...
import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; public class ReadLargeTextFile { public static void main(String[] args) { File file = new File("large_file.txt"); try (BufferedReader br = new BufferedReader(new FileReader(file)))...