byte « character « Java Data Type Q&A





1. Is there a way to tell if a String contains a char or byte?    coderanch.com

Hi there, I've got an question regarding the types contained in a String. I need to know if the first element in the String is a byte or a char, as I need to apply different logic in each case. I have one String like so: "This is some text" and another like this: "[05][00][03]'[02][01]This is some other text" (The text ...

2. Give a byte, get a char,,,    coderanch.com

I'm working on a parser for a binary file format. I'll be getting ints from the Java reader that represent the values of each byte in the file being parsed. Many of these bytes represent ASCII text. I'm looking for the best way to: [1] Convert a single int representing the value of a byte read from the binary file into ...

3. byte or char into String?    coderanch.com

Hi, Is there posibility that I create put all this what are getting out with System.out.print((char)buf[i]) into one little String? public static void main(String[] args) throws MalformedURLException, IOException { String webFile = "http://www.yahoo.com/"; try { URL url = new URL(webFile); InputStream in = url.openStream(); byte[] buf = new byte[1024]; int len; while( (len = in.read(buf)) > 0 ){ for(int i = ...

4. char vs String for 1 byte fields    coderanch.com

Off the top of my head, I would say you should switch to char. The advantages and disadvantages should be clear from what you posted already. If you are only storing a single chararacter, then the primitive char type takes up much less memory. On the other hand, the String class adds a lot of memory, and run-time, overhead. This cost ...

5. casting from char to byte not possible    coderanch.com

Hello experts, Can you please please spear some time ? I have this peace of code and the compiler complains with an error that I can't get much sense of. I am attaching the printscreen to this post. public class CastTestV2{ public static void main(String[] args){ byte c = '' ; System.out.println(c); } } this is my environment: java version "1.7.0" ...

6. byte[] char[] builders?    forums.oracle.com

7. how can I get bytes of char    forums.oracle.com

8. Byte to Char ...    forums.oracle.com

9. Byte to Char in Java    forums.oracle.com

I have a "byte" ,no array nothing , just a byte. How can i convert it to char or string so that the time when i use it in system.out.println it should give the character that have been sent and not the ascii . Its basically for the java part of the JNI .