testoutputstream.java

来自「该文件在eclipse环境上运行」· Java 代码 · 共 39 行

package test.io;

import java.io.*;

public class TestOutputStream {

	public static void main(String[] args) throws Exception {
		OutputStream out = new FileOutputStream("1.dat");
		out.write(1);
		out.close();
		
		InputStream in = new FileInputStream("1.dat");
		byte[] b = new byte[10];
		int len = in.read(b);
		in.close();
		
		System.out.println("读取长度:" + len);
		System.out.println(b[0]);
		
		out = new FileOutputStream("1.dat");
		DataOutputStream dataout = 
			new DataOutputStream(out);
		dataout.writeChar(65);
		dataout.writeBoolean(true);
		dataout.writeInt(12);
		dataout.writeShort(456);
		dataout.close();
		
		in = new FileInputStream("1.dat");
		DataInputStream datain = 
			new DataInputStream(in);
		System.out.println(datain.readChar());
		System.out.println(datain.readBoolean());
		System.out.println(datain.readInt());
		System.out.println(datain.readShort());
		datain.close();
	}
}