StringTokenizer? Convert the String to a char[] and iterate over that? Something else?
StringTokenizer
String
char[]
How do you concatenate characters in java? Concatenating strings would only require a + between the strings, but concatenating chars using + will change the value of the char into ascii ...
+
In Java, we're using the following package to programmatically create excel documents:
org.apache.poi.hssf
How can I swap two characters in a String? For example, "abcde" will become "bacde". Thanks.
I am practicing over the summer to try and get better and I am a little stuck on the following:
Given a string, return a new string where ...
I'm trying a problem from sphere's online judge where I need to find a palindrome for a integer of up to a million digits, I thought about using java's functions for ...
Am implementing a lexical scanner. How can i implement sets of characters? most of the character sets will be in range form i.e A-Z, h-L e.t.c. And i have to check ...
I'm looking for a built-in Java functions which for example can convert "\\n" into "\n".
Something like this:
"\\n"
"\n"
assert parseFunc("\\n") = "\n"
I have such a link in JSP page with encoding big5??
And when I input it in browser's URL bar, it will be changed to something like
And when ...
Do you know some library/way in Java to generate tar archive with file names in proper windows national codepage ( for example cp1250 ).
I tried with Java tar, ...
How do I get up to the first n characters of a string in java without doing a size check first(inline is acceptable) or risking an IndexOutOfBoundsException?
What is the best way to interleave a java String with a given character sequence. The interleave interval should be changeable.
Example:
String s = " .... 0000000000000 ..."; // length random
String b ...
I am using the substring fuction in Java and what I am finding is if the first character in the substring is a zero, it is dropped from the new string. ...
I did check the other questions; this question has its focus on solving this particular question the most efficient way.
Sometimes you want to create a new string with a specified ...
I'd like to create a function that has the following signature:
public String createString(int length, char ch)
For example I'm extracting a text String from a text file and I need those words to form an array. However, when I do all that some words end with comma ...
How can I trim characters in Java?
e.g.
String j = “\joe\jill\”.Trim(new char[] {“\”});
"joe\jill"
String j = “jack\joe\jill\”.Trim("jack");
"\joe\jill\"
we are getting properties, we can not influence, out of a database and want to access them by a key/value mapping.
We are facing the problem, that one of the property keys ...
I need to find special escape java chars (\n, \t, \b, etc.) in a grooup of strings and then print what strings contain which special chars. So, when printing I would ...
When I am using (encrypt/decrypt) javax.crypto.Cipher class for long string, some characters in output string are invalid.
//ecnryption
byte[] inputBytes = str.getBytes();
cypheredBytes = cipher.doFinal(inputString, 0, inputBytes, outputBytes, 0);
return new ...
In documentation code I see some things like this:
/*
* @(#)File.java 1.142 09/04/01
I have a web application which worked with the following:
Tomcat 5.0
Struts 1.0
Java 1.5
I have to switch to Java 1.6.When I tried to do that, i received the following stack of
exception in ...
There are some restricted characters (and even full filenames, in Windows), for file and directory names. This other question covers them already.
Is there a way, in Java, to retrieve this ...
I am programming in Java
I have the code as:
byte[] b = test.getBytes();
Is there a way in java to create a string with a specified number of a specified character? In my case I would need to create a string with 10 ...
I have a string and i want to know if the last character in my string is #
example:
#
String test="test my String #";
I'm kind of a beginner when it comes to java programming, and I have a project in school where I'm going to create a game much like Icy Tower. ...
Let's say we have string t.
Why does the following not work:
t
for (int i = 0; i < t.length; t++)
{
t.charAt(i)+=3;
}
How should I go about implementing a method that gets a String composed of Latin characters to translate it into a String composed of a different set of characters, let's say ...
I'm using diff-match-patch ( ) to make difference between two text. At the end of the diff, they return strange characters: for example à become %C3%A0, ù %C3%B9, ...
à
%C3%A0
ù
%C3%B9
Please, can you give me a list of non printable characters in java programming? Thank you in advance.
How do I shuffle the characters in a string (e.g. hello could be ehlol or lleoh or ...). I don't want to use the Collections.shuffle(...) method, is there anything simpler?
Collections.shuffle(...)
For example, "this is yahoo answers", from here I want to pick up each single character and convert it into its ASCII value. How can I do it?
"this is yahoo answers"
How can i find different characters in the strings at same positions? Ex:
String string1 = "Anand has 2 bags and 4 apples";
String n = /* ??? */;
String n2 = /* ??? ...
I am using some Japanese/French words in some regular expressions inside my source code. I don't want to convert these into \u notation since tracking it would be difficult and might ...
Firstly, this is AI for PacMan and not the ghosts.
I am writing an Android live wallpaper which plays PacMan around your icons. While it supports user suggestions via screen touches, the ...
I want to remove a string that is between two characters and also the characters itself , lets say for example:
i want to replace all the occurrence of the string ...
I want to run ffmpeg from java as external process. After several minutes I want to stop it.
It asks me to click 'q', and it works in console, but when I ...
I have a linux server and many clients with many operating systems. The server takes an input file from clients. Linux has end of line char LF, while Mac has end ...
This is my foo.java file:
foo.java
/**
* LICENSE blah-blah-blah
* @Version $Id$
*/
public class Foo {
}
svn update
/**
* LICENSE blah-blah-blah
* @Version $Id: Foo.java 396 ...
Similar to a question posted here, am looking
for a solution in Java.
That is, how to find the index of nth occurrence ...
I would like write a java function like:
if one char is not in GB2312, return false
Boolean isGB2312(String chinese) {
......
}
Here is a sample String "one/two/three\123today" that i get from an unknown source i.e i cannot change the format of the input string that i get.
I need to get the sub-string ...
I am very new to Java.
I want to store an image pixels inside a string. But right now if the image has more than 4000 pixels I am not able to ...
I have a maze game in JAVA I'm doing for a class, the maze is made on a canvas in an applet, I wanted to have another picture provided to me ...
In java, Find if first character in a string is upper case without using regular expression.
I'm trying to use some funky characters in my Java code.
Character c = new Character('');
I am processing text corpus. It contains several characters belonging to different languages, symbols, numbers, etc.
-> All I need to do is to skip the symbols like arrow mark, heart ...
What's a really easy way to switch characters around in Java? Say I have the following:
String testString = "Hello World.";
// I know this doesn't work
testString = testString.replace('o', 'e');
I have been working on this for hours and now Im kinda stuck....please help me.
Im a complete programming handicap. All the methods work fine except the alphabet one.
It will ...
Is there any class to add subtitles in video using JAVA?
I want to iterate through each character in a character set (primarily US-ASCII and IBM037) and then print all alphanumeric characters (or all printable characters) in the proper character set sequence. ...
I need to compress strings (written in a known but variable language) of anywhere from 10 to 1000 characters into individual UDP packets.
What compression algorithms are well suited to ...
I need to get string from between two characters. I have this
S= "10:21:35 |Manipulation |Mémoire centrale |MAJ Registre mémoire"
Possible Duplicate:
Problem of * in Command line argument
I have a String and want to reverse it so that some characters get reversed, while others remain in place. How can I implement that (e.g. lets say I want all ...
I want to create an array of string out of a StringBuffer. I need to break the buffer in every 80 characters. So first string element in the array will contain ...
I have 2 String str1 and str2 and i want to build a updated str2 with the contents which character is not present inside the str1 without using inbuilt function of ...
I am working on creating a character sheet for a RPG I'm tinkering with. I figure out all the data I need the character sheet to keep, but I am not ...
So I'm trying to write a little decryption program but I'm running into a little trouble.
I'm applying XOR to the characters with 'FF' (reversing all the bits) and I'm doing that ...
Possible Duplicate:
How to remove high-ASCII characters from string like ®, ©, ™ in Java
I have a string like this: '0010'
How can I get the first two zero on that sample string. The rules here is that, I have a variable which hold a character. ...
'0010'
I am trying to create a string which substitutes all spaces for a * but I can't figure out exactly how to do that. Can anyone help?
String phrase = new String ...
What is the best way to get a list of characters [a-z] from a string ignoring any other special character or number?
In a recent interview I was asked to write the below program.
Find out the character whose frequency is minimum in the given String ?
So I tried by iterating through the string ...
I just got JavaDocx free library two days ago. I'm trying to generate a file which has to contain Latin characters as ó, ú, etc. When I try to open the ...
I want to load configration (apache commons configuration) from properties file. My program is:
PropertiesConfiguration pc = new PropertiesConfiguration("my.properties");
System.out.println(pc.getString("myValue"));
In my.properties I have
...
just a quick question.
I wonder how many characters count for \n (new line ) in JAVA?
Because I need to fit 160 chars in one String,etc.
So.. How many chars should I consider ...
So I have a 2d game which normally just has gravity and "flat" levels however I have added in "planets" which have their own gravity.
I have a function called addForce(float xForce, ...
My opinion was, until today, that a literal like "c" creates a String object. Today I heard that Java is not creating an object for single character Strings. Is this right ...
"c"
I had run a mySql query from ant, and had the output in "out.txt". In this file, right after listing the rows in the table, there is:
...
Possible Duplicate:
Simple way to determine if string is only characters, or to check if string contains any numbers in Java
There are lots of websites or blogs said that we should keep 80 characters per line in our program since it is relatively to display in some console environment.
However, I found ...
Well that was pretty much my question, I need to do something like this:
String scriptContent = "print("Hello World")";
How can I find distinct repetitive character in string using Java.
For the string 4567895443577
Here, the first distinct repetitive character is 5
4567895443577
5
Ip:n:1 output:4
n=2 op=5
...
How do i use characters in switch-case? I will be getting the first letter of whatever the user inputs.
import javax.swing.*;
public class SwitCase {
public static void main (String[] ...
I have one string e.g. "hello" but I want to get (print) only the character 'o' .
thanks.
I'm trying to output accented characters from java into the Console app on a mac, however they just show up as ?'s. I've tried using System.console().writer() to output as well as ...
Given a character c and a number n, how can I create a String that consists of n repetitions of c? Doing it manually is too cumbersome:
StringBuilder sb = new StringBuilder(n);
for ...
I am building an app that takes information from java and builds an excel spreadsheet. Some of the information contains international characters. I am having an issue when Russian ...
Say I had String s = "This is a loooooooooooooooong string";. Now say I want to cut off This and return everything else. How would I do this? What I'm asking ...
String s = "This is a loooooooooooooooong string";
This
What is the fastest way to strip all non-printable characters from a String in Java?
So far I've tried and measured on 138-byte, 131-character String:
replaceAll()
I need to check if a String is actually a character (only consists of 1 character).
This is what I have so far.
Scanner keyboard = new Scanner(System.in);
String str = keyboard.next();
...
I just switched from C++ to Java. I'm trying to write a program that loops from 0 to some number less than 26. I want to get the letter of the ...
I'm doings some beginners task in JAVA. With the help of FOR I'm going to create two simple triangles by just adding simple characters like * to a string like this: ...
How can you obtain the total characters of a String, considering that it could have supplementary characters which takes 2 code units to be encoded.
Example:
String strTest = "a"; //Supplementary character
System.out.println(strTest.length());
3
System.out.println("-----------------------------------------------------------");
System.out.println("Please select a task");
System.out.println("1: List employees with details");
System.out.println("2: List of clients in state");
...
inputValue = "111,GOOG,20,475.0"
StringTokenizer tempToken = new StringTokenizer(inputValue, ",");
while(tempToken.hasMoreTokens() == true)
{
test = token.nextToken();
counterTest++;
}
I am trying to check a string for certain characters. The characters are basically in a list. However, I don't know how to achieve this. The only idea I have is ...
I want to sort Q4,Q7,Q2,Q1 to Q1,Q2,Q4,Q7.
Thanks.
I have a string (which is basically a file name following a naming convention) abc.def.ghi
I would like to extract the substring before the first . (ie a dot)
In java doc api, ...
abc.def.ghi
.
I have one text box in the User Interface where in user is asked to key in some input , which in turn i am saving in database , which finally ...
How would I go about making a character look-ahead method in Java? I have a text file (let's say TextFile.txt) and I need it to first read in a single character, ...
I'm trying to find the number of characters in a given text file.
I've tried using both a scanner and a BufferedReader, but I get conflicting results. With the use of a ...
I want to concatenate a string before the last occurence of any character.
I want to do something like this:
addToString(lastIndexOf(separator), string);
Is there a better way to do this?
/* Compares two characters.
If ch1 is alphabetically smaller than ch2, return true
If ch1 is equal ...
I get a weird symbol when doing a string return in java that include the pound sign as a character. How do i resolve this?
I am building a java program that ...
Is there a java library that will allow me to test whether a given set of characters match against a given language code or not? I need as many languages that ...
I need a method that can tell me if a String has non alphanumeric characters.
For example if the String is "abcdef?" or "abcdefà", the method must return true.
Hi We have text box field users are copying the data from the word document and pasting into textbox . after saving which is generating some junk characters . every time ...