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| 11. 16. 2. 创建DataOutputStream从BufferedOutputStream |
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import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class MainClass {
public static void main(String[] args) throws IOException {
DataOutputStream out2 = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(
"Data.txt")));
out2.writeDouble(3.14159);
out2.writeUTF("Square root of 2");
out2.close();
DataInputStream in5 = new DataInputStream(new BufferedInputStream(new FileInputStream(
"Data.txt")));
System.out.println(in5.readDouble());
System.out.println(in5.readUTF());
}
}
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