Character Encoding - Constants For Max Values Of ASCII And UTF-8
Mar 22, 2014
This is my program.
public class C4
{
// instance variables - replace the example below with your own
public static void main(String[] args)
{
System.out.println((char)41);
}
}
I wanted to check that the integer 41 is 'A' in UTF-8, although it's ')' in UTF-16 , so I ran the program with javac -encoding UTF-8 C4.java but the result was still ')'.
How do i fix this? Also, do constants for the max values of ASCII and UTF-8 exist in Java? I need to show how many number of bits are used to represent characters in both encodings.
For part of my program, I am trying to ask the user for input on generating a number of random characters. I have already done this with integers and doubles, how would I do this for characters using ASCII values? Would I use the same format as I did for generating integers (Shown in code)?
import java.util.Random; import java.util.Scanner; public class NewNumberCharacter { public static void main(String[] args) { // Create a Scanner Scanner input = new Scanner(System.in);
"Write a program that takes a word and displays the sum of the numbers comprising its character's Unicode values. "Here is my code:
/** * Description: Prints the word "Sunny" as well as printing the */ public class Assign1{ public static void main(String[] args){ String sun=new String("Sunny"); System.out.println(sun); // Prints Sunny //sets values as strings
The Font style constants are of int: int[] fontStyleList = new int[] {Font.PLAIN, Font.BOLD, Font.ITALIC};But what do I do when I want to add the names such as PLAIN etc. as the name of a menu item?
The following is not going to work, right!String[] parts = (fontStyleList[i].toString()).split("."); or String[] parts = ("" + fontStyleList[i]).split(".");rbStyle = new JRadioButtonMenuItem(parts[1]);
Is there another way to do this or should I just do another array with the names as a String?
I use Eclipse (kepler version, with JDK 7) on MacBook Pro (Lion).I want to overwrite a line printed on my console. I used "" for that. I was expecting the cursor to go to the beginning of the line. Instead, it is going to the next line.
I need to encode the URL in order to prevent XSS security threat. I don't have to encode the complete URL, I just have to encode the values for query string. How to encode only the values of query string parameters and change it in the URL itself using java. I am planning to do this in a filter.
How to read xml tag <br/> without encoding in java. After encoding it becomes <br>. I dont want to encode it. I already tried CDATA[ and StringEscapeUtils.unescapeXml and StringEscapeUtils.unescapeHtml, but unable to change the decode it.
I have an assignment, similar to ones of seen in the past. The assignment is to take a users text input and to encrypt it using 3 different types of encryptions: Caesar, Transpose, and Reverser. The professor gave us the bulk of the code, and more specifically how to tokenize and shift the letters using Caeser shift. The problem im coming across is that it is not showing anything past the users input. After running it, it just stays there running without showing anything.
Cipher:
package cipher; import java.util.Scanner; import java.util.StringTokenizer; import javax.swing.JOptionPane; public abstract class Cipher { public String message; StringBuilder encrypted_message, decrypted_message;
[Code] ....
The constants have their own separate class, and they appear to work fine. I know that the Transpose and Reverser are incomplete, hence them commented out. But if i cant finish with Caeser first, it wont work at all.
I have to create a webpage such that there is an 'import' and 'save' button.
When the user clicks import button, it will retrieve inventories under PRODUCTS table which contains product title, SRP and Sold by (input field) under his account. Average possible returned rows will be around 1k-5k. If the 'Sold By' has value, it will show as read only. But if not, it will be editable.
Then the user has a list of product IDS printed on a paper that was sold by his employees and he has to scan each product id and put the name of his employee under Sold By and the price sold. This is a manual procedure..
Then after he finishes encoding, he has to click save button to save changes in the db.
what is the best way to implement this? Is it efficient to use js functions such as datatables?
I try to use below codes to convert Hex String "1111737999630745" to ASCII.
When I read the result in Notepad++ with HEX-Editor plugin, I find attached image which is different from above String, there is one additional c2 and I am quite confused.
Java Code:
public static void main(String[] args) throws IOException { Test strToHex = new Test(); File file = new File("D:/filename"); // if file doesnt exists, then create it if (!file.exists()) { file.createNewFile();
I need to write a program that combines everything I learned in my Java course from chapter 1-6 and 8 by Tony Gaddis at least with all the other chapters being bonus points, so I decided to write a program that tells you the binary to hex conversion or hex to ascii conversion. However I keep getting the following errors in my class, enums, and main program that I'm not sure about why. Please do not point out that the numbers in the case select are not what the hex values translate to because I know that, but I was trying to use more meaningful place holders temporarily:
These are the errors for main:
----jGRASP exec: javac BinToHex.java BinToHex.java:9: error: cannot find symbol Scanner keyboard = new Scanner(System.in); ^ symbol: class Scanner location: class BinToHex
[Code] .....
3 errors
----jGRASP wedge2: exit code for process is 1. ----jGRASP: operation complete.
Because of the error in the picture attached I am unable to show the remaining errors for the class and enumsjGrasp Save error for Ascii character import enum datatype.jpg
Here is the code for main:
import java.util.regex.Matcher; import java.util.regex.Pattern; import java.util.regex.*; /** This program shows that you can binary to hex and hex to ascii. */ public class BinToHexToAscii
I have two programs that talk to each other over a TCP connection. When I write the data "STX+1234" where STX is the Ascii character STX or Ctrl B and I expect the written String length to be 6 which it is. On the other side of the socket I create the ServerSocket and use the client socket's InputStream to create a BufferedReader. When I receive the string it now has 12 characters where each original character has been replaced by NUL and the character. How do I read the string as it is originally specified without the conversion? And is the problem on the reader side or the writer side?
What is printed is much larger than what I've copy and pasted but I can't post it all here.
The error I get is:
Exception in thread "main" java.io.IOException: Stream closed at java.io.BufferedReader.ensureOpen(Unknown Source) at java.io.BufferedReader.readLine(Unknown Source) at java.io.BufferedReader.readLine(Unknown Source) at Map.importMap(Map.java:26) at Map.main(Map.java:44)
I am trying to figure out how to convert a string of ASCII code into char.I know that you can use (char) to convert it, but the issue is you cannot really just it for Strings.
I am trying to make a class definition file for an ASCII File.
Ultimately, I want to be able to add methods to allow the image produced by the file to be printed normally, then printed with various manipulations.
However, for some reason, whenever I try to run the program to test my normalPrint method, it terminates without printing anything.
I think this is because the array's values width and height are not within the scope of the method. I tried passing the array as a parameter for the method like so:
Java Code:
public void normalPrint(char [][] poop){ //method here } mh_sh_highlight_all('java');
But it gave me an error that stated
"The method normalPrint(char[][]) in the type asciiFile is not applicable for the arguments ()"
Class Definition:
Java Code:
import java.io.*; import java.util.Scanner; public class asciiFile { int height; int width;
I'm having problems with the mid section of the rocket, specifically the bottom part of the mid section:
|../..../..| |.//..//.| |//////|
I'm having difficulty writing the for loop to correctly print the dots. You're supposed to incorporate a constant which allows you to adjust the size of the overall figure. The loop doesn't work when I adjust the size, only when the value of HEIGHT is 3. The loop, however, for some reason works with the top part of the mid section.
This is the for loop for the top section.
for (int dots = 1; dots <= -1 * line + 1 * HEIGHT; dots++) { System.out.print("."); }
This is the for loop for the bottom section.
for (int dots = -1 * line + 1 * HEIGHT; dots <= 1; dots++) { System.out.print("."); }
Usually reversing the iteration of the loop just requires flipping the conditions, right? But it didn't work this time for some reason. Why this doesn't work? I can post the code to my entire program for compiling.
