?? datastream.java
字號:
package cn.edu.csu.datastream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class DataStream {
/**
* @param args
*/
public static void main(String[] args) {
File f = new File(".\\systemfile\\file3.txt");
try {
f.createNewFile();
FileInputStream in = new FileInputStream(f);
FileOutputStream out = new FileOutputStream(f);
DataInputStream dis = new DataInputStream(in);
DataOutputStream dos = new DataOutputStream(out);
dos.writeBoolean(false);
dos.writeByte(65);
// dos.writeBytes("Bytes");
dos.writeChar(97);
// dos.writeChars("Chars");
dos.writeDouble(23.12);
dos.writeInt(23);
dos.writeUTF("UTF");
dos.close();
System.out.println(dis.readBoolean());
System.out.println((char)dis.readByte());
System.out.println(dis.readChar());
System.out.println(dis.readDouble());
System.out.println(dis.readInt());
System.out.println(dis.readUTF());
dis.close();
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
}
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