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DataIO Streams

807569
Member Posts: 34,691
What is the importance DataInputStream and DataOutputStream....???
How can i write a human readable file, that contains double,int,String values...
I tried it with DataOutputStream...But it is not human readable....(possible to read from DataInputStream)
How can i create a human readable file ??? (By using Writer or OutputStream)
//"MyFile.txt" data should contain in a tabular format.(like this,..)
price unit descs
19.99 12 Java T-shirt
9.99 8 Java Mug
15.99 13 Duke Juggling Dolls
3.99 29 Java Pin
4.99 50 Java Key Chain
How can i write a human readable file, that contains double,int,String values...
I tried it with DataOutputStream...But it is not human readable....(possible to read from DataInputStream)
How can i create a human readable file ??? (By using Writer or OutputStream)
//"MyFile.txt" data should contain in a tabular format.(like this,..)
price unit descs
19.99 12 Java T-shirt
9.99 8 Java Mug
15.99 13 Duke Juggling Dolls
3.99 29 Java Pin
4.99 50 Java Key Chain
import java.io.*; public class DataIOStream{ public static void main(String args[]) throws Exception{ DataOutputStream out = new DataOutputStream(new FileOutputStream("MyFile.txt")); double[] prices = { 19.99, 9.99, 15.99, 3.99, 4.99 }; int[] units = { 12, 8, 13, 29, 50 }; String[] descs = { "Java T-shirt", "Java Mug", "Duke Juggling Dolls", "Java Pin", "Java Key Chain" }; for(int i=0;i<prices.length;i++){ out.writeDouble(prices<em>);<br /> out.writeChar('\t');<br /> out.writeInt(units[i]);<br /> out.writeChar('\t');<br /> out.writeChars(descs[i]);<br /> out.writeChar('\n');<br /> <br /> }<br /> out.close();<br /> }<br /> }<br /> <br /> <br /> <br /> <br /> <br /> :-) </em>
This discussion has been closed.