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关于RandomAccessFile里面的 readChar()方法的疑问:
来源: 互联网 发布时间:2017-03-12
本文导语: 关于RandomAccessFile里面的 readChar()方法的疑问: 请看如下代码: import java.io.*; //测试RandomAccessFile()方法 class Test_AccessFile{ public static void main(String[] args) throws IOException,FileNotFoundException{ File file...
关于RandomAccessFile里面的 readChar()方法的疑问:
请看如下代码:
import java.io.*;
//测试RandomAccessFile()方法
class Test_AccessFile{
public static void main(String[] args) throws IOException,FileNotFoundException{
File file1=new File("C:/Classes/stream/FileDemo.java");
try{
RandomAccessFile rafile=new RandomAccessFile(file1,"rw");
rafile.seek(1);
int i=0,j=0;
System.out.println(rafile.getFilePointer());
while(rafile.read()!=-1);
System.out.println(i);
System.out.println(rafile.getFilePointer());
rafile.seek(0);
System.out.println(rafile.getFilePointer()); ______________________________________________________________________________
代码段 0 byte[] b=new byte[(int)rafile.length()];
while(rafile.read(b)!=-1);
System.out.println(rafile.getFilePointer());
for(j=0;j
请看如下代码:
import java.io.*;
//测试RandomAccessFile()方法
class Test_AccessFile{
public static void main(String[] args) throws IOException,FileNotFoundException{
File file1=new File("C:/Classes/stream/FileDemo.java");
try{
RandomAccessFile rafile=new RandomAccessFile(file1,"rw");
rafile.seek(1);
int i=0,j=0;
System.out.println(rafile.getFilePointer());
while(rafile.read()!=-1);
System.out.println(i);
System.out.println(rafile.getFilePointer());
rafile.seek(0);
System.out.println(rafile.getFilePointer()); ______________________________________________________________________________
代码段 0 byte[] b=new byte[(int)rafile.length()];
while(rafile.read(b)!=-1);
System.out.println(rafile.getFilePointer());
for(j=0;j