text/java Копиране BufferedReader in = new BufferedReader(new FileReader("foo.in")); will buffer the input from the specified file. Without buffering, each invocation of read() or readLine() could cause bytes to be read from the file, converted into characters, and then ...
public BufferedReader(Reader in)创建一个缓冲字符输入流对象,并选择指定字符输入流对象in作为其实际数据源。 public BufferedReader(Reader in, int size)创建一个缓冲字符输入流对象,并选择指定字符输入流对象in作为其实际数据源,同时指定缓冲区大小size。 成员方法 public String readLine() throws IOException从缓存中...
import java.io.*; public class BufferedReaderWriterDemo { public static void main(String[] args) { try { // 缓冲System.in输入流 BufferedReader bufReader = new BufferedReader( new InputStreamReader(System.in)); // 缓冲FileWriter字符输出流 BufferedWriter bufWriter = new BufferedWriter(new FileWri...
import java.io.BufferedReader; 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 i...
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)))...
importjava.io.*;importjava.io.*;publicclassReadTextFile{publicstaticvoidmain(String[]args){try{/...
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...
import java.io.IOException; /** * Read contents of a File line by line using BufferedReader * www.tutorialkart.com */ public class Example { public static void main(String args[]){ String filename = "samplefile.txt"; BufferedReader br = null; ...
代码语言:java 复制 import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class BufferedReaderExample { public static void main(String[] args) { String filePath = "example.txt"; // 替换为实际文件路径 try (BufferedReader reader = new BufferedReader(new Fil...
java import java.util.Scanner; okxanzhuo.cn 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:"); ...