JAVA教程IO流操作
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2010-11-12
11:53:17
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字节流:
InputStream(输入流):
FileInputStream:
DataInputStream:
ObjectInputStream:
OutputStream(输出流):
FileOutputStream:
DataOutputStream:
ObjectOutputStream:
DataInputStream(数据输入流)/DataOutputStream(数据输出流):
程序举例:
import java.io.*;
public class Test3 {
File f = new File("D:\Test.txt");
public void writeMethod(){
DataOutputStream dataout = null;
try{
dataout = new DataOutputStream(new FileOutputStream(f));
dataout.writeUTF("hello");
}catch(IOException ex){
System.out.println(ex.getMessage());
}finally{
try{
dataout.close();
}catch(Exception ex){
System.out.println(ex.getMessage());
}
}
}
public void readMethod(){
DataInputStream datain = null;
try{
datain = new DataInputStream(new FileInputStream(f));
String s = datain.readUTF();
System.out.println(s);
}catch(IOException ex){
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