1. How do I find out if first character of a string is a number? stackoverflow.comIn Java is there a way to find out if first character of a string is a number? One way is |
2. why does a char + another char = a weird number stackoverflow.comHere's the code snippet: |
3. how to generate unique numbers less than 8 characters long stackoverflow.comI want to generate unique id's everytime i call methode generateCustumerId(). The generated id must be 8 characters long or less than 8 characters. This requirement is necessary because I need ... |
4. Generating the permutations from a number of Characters stackoverflow.comI'm working on a predictive text solution and have all the words being retrieved from a Trie based on input for a certain string of characters, i.e. "at" will give all ... |
5. Get all characters from a string with their number stackoverflow.comHow in Java can I get list of all characters appearing in string, with number of their appearances ? Let's say we have a string "I am really busy right now" ... |
6. What is the best way to tell if a character is a letter or number in Java without using regexes? stackoverflow.comWhat is the best and/or easiest to learn way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks. |
7. Wrap the string after a number of character word wise in java stackoverflow.com |
8. Creating Unicode character from its number stackoverflow.comI want to display a Unicode character in Java. If I do this, it works just fine:
|
9. Determining number of character in a string stackoverflow.comOk what I'm wanting to do is find out if the length of the word entered is divisible by two or not. If it is I want to take the middle ... |
10. how can i calculate the number of specific chars in a string? stackoverflow.comGiven a string how can i figure out the number of times each char in a string repeats itself ex: aaaabbaaDD output: 4a2b2a2D |
11. Returns the number of characters in a Word stackoverflow.com |
12. Digit to char telephone number stackoverflow.comi want to make a program that convert telephone number to characters, according to the keypad. So number 23 can be: AD AE AF BD BE BF CD CE CF some ideas? |
13. how to allow only character (a-z) and number(0-9) only in the textbox? bytes.comevent.returnValue=false; I thought you were supposed to return true, but I could be mistaken. I suggest writing external functions to make the code cleaner. Then you could have those functions call ... |
14. Problem using a String containing large number of characters. coderanch.comHi, I hv written a program which exports the data in a text file. When my program is run, the data is displayed to the user in a JTextArea. I am using StringBuffer class to construct the data and convert it into the String object while displaying it in the Text Area. Now, the problem is the generated String lengh is ... |
15. number of characters in UTF-8 coderanch.comHi, I'm trying to find the number of chars (letters) in a word that is in UTF-8 format - not the number of bytes. String.length() returns the length in UTF-16 format. For most words the simple String.length() works, but for example: String s = ""; The length (s.length()) is 9. I using the String constructer String(byte[]bytes, StringcharsetName), but the length method ... |
16. How do i get Ascii Char for given number coderanch.com |
17. characters and numbers seperation in a string coderanch.compublic static void main(String[] args) { String s = "65234Markets6713Investments"; StringBuffer sb = new StringBuffer(); int pos = 1; char[] ch = s.toCharArray(); for (int i = 0; i < ch.length; i++) { if (Character.isDigit(ch[i])) { pos = 1; sb.append(ch[i]); } else { if (pos == 1) { sb.append(','); } sb.append(ch[i]); pos++; } } System.out.println(sb.toString()); } |
18. Max number of characters printed in system.out.println coderanch.comI am trying to print a xml message in the logs. I get this message from some external system. The message that is printed is not complete and it seems to have been truncated. I am not sure who has trucated this message as this message comes via WebSphere MA and Weblogic JMS. Is there any limitation in max number of ... |
19. How to concatenate specified number of characters to a string? coderanch.comHi all, I want to know how to concatenate specific number of characters to a string. I want my string to have exactly 35 characters. Suppose if the user enter 6 characters, rest of the 29 characters must be any special symbol, say a $. Using for loop I am append the character by knowing the string length. But is there ... |
20. Return number of characters in a Word coderanch.comCan we optimize this code more in a more efficient way? public class CountOccurenceofWords { public static void main(String[] args) { StringBuilder sb = new StringBuilder(); String text = "This is a poor sentence in grammar."; String[] words = text.split("[ .!?]"); for (String word : words) { int counter = countLetters(word); if (counter > 0) { sb.append(counter).append(" "); } } System.out.println(sb); ... |
21. Validate Number,character and symbol dbforums.com |
22. Write a given number of lines and chararcters of a selected char java-forums.orgHi! I'm new to java, and trying to write a program that works like this: Ask user for number of lines(ie. 4) Ask user for number of characters(ie. 7) Ask user for a specific single character(ie. h) This should then display the following: hhhhhhh hhhhhhh hhhhhhh hhhhhhh I have written the following code, but unsure of how to finish it: Java ... |
23. ASCII Question (char to corresponding number) forums.oracle.com |
24. char code number forums.oracle.com |
25. returning the number of times a certain character appears from a String forums.oracle.com |
26. A string composed of a character repeated x number of times forums.oracle.comGuess I'll just write a loop in a custom method. Or use Arrays.fill(charArr, ch) to fill your array and then new String(charArr). But when you asked your question, I was thinking "how useful is a String made up of the same character, anyway?" I don't know about .net, but Java Strings aren't arrays and there not very array-like in that they ... |
27. How to get String after Certain Number of particular characters forums.oracle.com |
28. How do i set the number of characters per line of output? forums.oracle.comIf I had a file (file.txt) which is just an essay or whatever, and i wanted to use that file in my output, but only wanted 50 characters per line of output, how would i do that? I don't need to know how to import the file, just how to set the number of characters per line of output. |
29. Dividing a string based on number of characters forums.oracle.comHe said he wasn't going to 'uniformly' split the string. It sounded like he had tokens which had no good delimiters nor fixed lengths. Hence my attempt to point out to him that he NEEDS one or the other, if he wants to have something sensible to code against. ... which advice never made it to him, due to him being ... |
30. Number of occurence of Character from a string forums.oracle.compublic class testNoStr { /** * @param args * @throws IOException */ public static void main(String[] args) throws IOException { BufferedInputStream inst = new BufferedInputStream(System.in); byte buffer[] = new byte[256]; int noc = inst.read(buffer); String str =new String(buffer,0,noc); // String str = "chadadchadadch"; System.out.println(str); String tok = "ch"; StringTokenizer strtn = new StringTokenizer(str,tok); int count = (strtn.countTokens())-1; if(str.indexOf(tok)==0) { count+=1; } ... |
31. Reading Characters From Car Number Plate forums.oracle.comMost license plates are placed in a bracket with the dealer name and address, US plates have the name of the state they're issued in (and so possibly do other countries), EU plates have the international code for the country they're issued in, some countries (like Germany) have stickers on them to indicate the exact issueing location and/or latest government mandated ... |
32. Rounding After a Certain Number of Characters forums.oracle.comHi, I'm looking for a way to round a number off after a certain number of characters. I'm not looking to round a number off after, say, the third or fourth decimal place, but after the third or fourth number. For example, If I round off after 3 characters, then: 19235.6578 goes to 19200 1.95723 goes to 1.96 How would I ... |
33. Retreiving number and characters from string forums.oracle.com |
34. Customer number with special characters pbm. forums.oracle.comI have customer number which accepts any special characters like "tes't1#test2$test3" , here when i display the value in the JSP i am getting the whole value "tes't1#test2$test3". Which is fine. When i click the cust number to pass it as a query string, i am getting only the "tes" after apostrophe the values are ignored. I have tried with |