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Java I/O Problem(Thanks)

1 reply on 1 page. Most recent reply: Aug 31, 2003 7:56 PM by Charles Bell

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Jack

Posts: 6
Nickname: daxian2003
Registered: Apr, 2003

Java I/O Problem(Thanks)

Posted: Aug 26, 2003 11:30 PM

import java.io.*;

public class IOProblem {
// Throw exceptions to console:
public static void main(String[] args)
throws IOException {
DataOutputStream out =
new DataOutputStream(
new BufferedOutputStream(
new FileOutputStream("Data.txt")));
out.writeDouble(3.14159);
out.writeBytes("That was the value of pi\n");
out.writeBytes("This is pi/2:\n");
out.writeDouble(3.14159/2);
out.close();

DataInputStream in =
new DataInputStream(
new BufferedInputStream(
new FileInputStream("Data.txt")));
BufferedReader inbr =
new BufferedReader(
new InputStreamReader(in));
// The doubles written BEFORE the line of text
// read back correctly:
System.out.println(in.readDouble());
// Read the lines of text:
System.out.println(inbr.readLine());
System.out.println(inbr.readLine());
// Trying to read the doubles after the line
// produces an end-of-file exception:
System.out.println(in.readDouble());
}
} ///:~

Charles Bell

Posts: 519
Nickname: charles
Registered: Feb, 2002

Re: Java I/O Problem(Thanks)

Posted: Aug 31, 2003 7:56 PM

What was the question or problem?

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