import java.io.bufferedreader; import java.io.bytearrayinputstream; import java.io.file; import java.io.inputstream; import java.io.filereader; import java.io.ioexception; import java.io.filenotfoundexception; import java.lang.securityexception; public class bufferedreadertest { private static final...
importjava.io.*;publicclassJava_1{publicstaticvoidmain(String[]args)throwsIOException{InputStreamRead...
BufferedReader br = new BufferedReader(new FileReader("input.txt")); 1. 二、BufferedReader类内部成员变量 package java.io; import java.util.Iterator; import java.util.NoSuchElementException; import java.util.Spliterator; import java.util.Spliterators; import java.util.stream.Stream; import java.ut...
Java 的四个输入法:BufferedReader、InputStreamReader、Scanner 和 System.in。 返回目录 1 System.in System.in 返回的是 InputStream 指向命令行输入的字节流,InputStream 的 read 方法以字节流的方式来读取命令行的输入的数据。 查看源码(InputStream.java)我们常用的有: 1intSystem.read()//以字节的方式读取...
importjava.io.BufferedReader;importjava.io.IOException;importjava.io.InputStreamReader;importjava.io.StreamTokenizer;publicclassMain{publicstaticvoidmain(String[] args)throwsIOException {//快速输入StreamTokenizerin=newStreamTokenizer(newBufferedReader(newInputStreamReader(System.in)));//快速输出PrintWriterout...
在Java的IO中,所有的stream(包括Input和Out stream)都包括两种类型: 1.1 以字节为导向的stream 以字节为导向的stream,表示以字节为单位从stream中读取或往stream中写入信息。以字节为导向的stream包括下面几种类型: 1) input stream: 1) ByteArrayInputStream:把内存中的一个缓冲区作为InputStream使用 2) String...
Methods inherited from class java.lang.Object clone,equals,finalize,getClass,hashCode,notify,notifyAll,toString,wait,wait,wait Constructor Detail BufferedReader public BufferedReader(Readerin, int sz) Creates a buffering character-input stream that uses an input buffer of the specified size. ...
io.InputStreamReader; import java.util.HashMap; import java.util.Map; public class Main { public static void main(String[] args) throws IOException { Map<String, String> map = new HashMap<String, String>(); BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n...
import java.util.Scanner; public class KeyboardInputWithScanner { public static void main(String[] args) { // 创建 Scanner 对象,绑定到 System.in(键盘输入) Scanner scanner = new Scanner(System.in); System.out.print("请输入您的姓名:"); ...
下列代码的下划线处应填入的是()。importjava.io.*;publicclassChouti(publicstaticvoidmain(String[]args)throwsIOExceptionInputStreamReaderir;BufferedReaderin;ir=new___(System.in);in=newBufferedReader(ir); A.BufferedReader B.InputStreamReader C.InputSteam D.Output...