I need some help converting a java byte array to a 7-Bit ASCII string. However I am getting 8-bit sequences and need to escape any unreadable character to it's escaped sequence. ... |
How to convert Vector with string to String array in java?
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possible duplicate
As question was asked How to convert Vector to String array in java
which one is the best performance for store the vector value to String array. And how it ... |
Possible Duplicate:
Conversion of byte[] into a String and then back to a byte[]
I have the following piece of code, I'm trying to get the ... |
This is the problem I am trying to solve: I have two arrays of Strings ("matches" and "visibleObjects"). I would like to search through all the words in the array "matches" ... |
Possible Duplicate:
How would I Evaluate a certain formula?
How would I split this formula into an array of characters each having their own number in ... |
supposed to reverse an array of strings recursively.
having trouble implementing this. if i was using a for loop i would just start it at the end of the array and print ... |
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As far as I know I can't call method from C++ that will return from Java string array, so only solution for this is loop call method that will return array ... |
i am working on text. I want to find the number of words after the last occurrence of a particular word in an array of strings.For instance,
String[] array={cat,rat,cat,bat,cat,cat,bat,fat,mat}
and I want to ... |
the array is an array of strings. the array is {"hello", "how", "are", "you", "?"}
it sort of works but he only thing is that the printout mixes up the last 2 ... |
i have to write a method that will compare elements in an array of strings and return the index of the largest element. its going to be done recursively using divide ... |
This is what I have so far.
package testproject;
public class Combinations{
public Combinations(){
String str_arr[]={"a","b","c"};
...
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I have String[] inputMsg declared outside a loop and inside a loop I have
inputMsg = new String[someSize];
Since the loop can loop lots of times, I find it out that creating ... |
I created the code below to print out all of the values of a string to 'true' or 'false'. I would like to fill an array with all the printed ... |
I have a char array:
char[] a = {'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'};
My current solution is to do
String b = new String(a);
But surely that ... |
Imagine I have a String array like this:
String[][] fruits = {{"Orange","1"}, {"Apple","2"}, {"Arancia","3"};
If I do this:
for (int i = 0; i < fruits.length;i++){
...
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I am building a cache that has to store as much data as possible. CPU is not a mayor issue, because the next level of data is a lot more expessive ... |
I am trying to create a program for an online Java course. This program includes an Employee class and a Name class. I have to create multiple Employee objects and prompt ... |
suppose I am getting 2 strings
"About product" and "About Us"
and I want to store them in String array like
myArray[]={"About product", "About Us"};
how to do this?
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well i have a string array
String array[] = new String[5];
array[0]="abc";
array[1]="aab";
array[2]="aaacb sf";
array[3]" ab";
array[4]="hello";
how do i order asc and desc?
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I have a list of words e.g : "Moon","Sun","Jupiter","Mars" they are all stored in an array, lets call it "planets"
String[] planets = new String[]{"Moon","Sun","Jupiter","Mars"}
How do i get the number of words ... |
I have a list of words , there are 4 words, it cant contain more that 4 its just an example. I want to use just 2 of the words the ... |
I have a hex string after RSA encryption. When I convert it to a byte[], the RSA decryption gives javax.crypto.BadPaddingException: Blocktype mismatch: 0
I am using this method for conversion (got it ... |
We have method that looks like this :
public String getCommandString(Object...args) {
return this.code + " " + String.format(this.pattern, args);
}
Where this.code:int and this.pattern:String.
This method is usually called ... |
I am trying to compare a string to an array of strings and add the string to the array if it is already not in the array.
I tried
...
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i'm having problems creating a program that converts a string of numbers into an array.
i know there is a similar question on here, but all i have to work with ... |
How can I check each character in a character array against a string? For example, I want to check these characters: !,@,#,$,%,^,&,*,(,),_,+ against the string af!a$co. Without regex, though.
Does this make ... |
Possible Duplicate:
Java AES Encrypt Entire String
Im having problems with the conversions back and forth between strings and byte arrays.
Basically I've made a small program ... |
I have a function which has values in matrix form with String... array (var args in jdk 1.4) format. Can I add the values having 2D array and adding the values ... |
I have following way of converting file to byte array and than to string and back.
InputStream is = new FileInputStream(new File("c:/original.png"));
...
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I essentially want to search the frequency of a string. For example, if I pass in the word "I", then the frequency of the word in the following sentence: "I went ... |
I want to pass in a string into a method e.g. "abbcccdef" and want it to return the longest substring. in this case it would be "ccc". Someone please help me ... |
(This post is regarding High Frequency type programming)
I recently saw on a forum (I think they were discussing Java) that if you have to parse a lot of string data its ... |
I am working on a project and there is a small part of it really confusing me.
Say I have a String array :
String[]text = {"string","array"};
for example.
And I want to make ... |
in the last 5 hours im trying to do something that should be very simple and did it in like 10 minutes in C#, but no luck with Java.
I got a ... |
My goal is simple:
I have an array like this:
String n[] = {"google","microsoft","apple"};
What I want to do is to remove "apple".
My problem is very basic,however,I searched the website and I found ... |
How to populate the array without iterating it with known size and Value.?
Example : If i want to create a Array of size 5 with values 1. I don want to ... |
Im having a String array in my constructor which is supposed to read a line in a .txt document by using a bufferedreader. It is containing Strings int´s and two dates. ... |
Given a String, say String s = "abcderfh";
How would you turn this into a String Array.
Thank you in Advance.....
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I receive from socket a string in a byte array which look like :
[128,5,6,3,45,0,0,0,0,0]
The size given by the network protocol is the total lenght of the string (including zeros) so ... |
I have a string array -->
string[] arr={"CSE01A","ECE02B","MECH03C"};
Now I have to print
course=CSE01, ECE02,MECH03
and
grade= 'A','B','C'
Please let me know how to do ... |
Right basically what I'm trying to do is a very simple login screen to get to know swing.
My issue is I currently have a file pass.txt which is formatted like so:
Username ...
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This problem came up in a practice test: create a new string array, initialize it to null, then initializing the first element and printing it. Why does this result ... |
I have a problem. I created a application which reads a txt file and splits sentence using the substring function. This is code:
public static void main(String[] args) ...
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I don't understand how to decrease the length of a String array. For example, with this code:
String[][] array = new String[5][2];
array[1][0] = "what";
array[2][0] = "is";
.....
.....
array[5][0] = "?";
How can I delete array[5][0] ... |
for (int i = 0; i < s.length(); ++i)
{
if (s.charAt(i) >= 'A' && s.charAt(i) <= 'Z')
...
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Questions in my text file look like this. There are a total of 15 of them
"Binary files are human readable in a text editor."
False
"The smallest data item a computer can process ... |
I have a hex string,st="9e". I need to convert it into byte and insert it in the byte array. But i am not able to cast from string to byte. I ... |
This outputs-BPBPfalse.
I am really confused as to why the boolean is false when the string obviously is the exact same.
Why isnt it BPBPtrue?
Thanks in advance!
public class mySplit {
public static void ...
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Can someone please explain me what happens to a String when it's converted to a byte array? what happens to it and how could I add more String to this byte ... |
I've found several answers that are close to what I'm trying to do, but not enough that I've been able to get it to work. I have a bunch of JSON ... |
Hey Guys I have some difficulties which is I want to copy string array value into new string array
for example :
String[][] array = new String[3][2];
...
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public class Anagram {
public static void main(String[] args) {
String a = "Despera tion-".toLowerCase();
...
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I'm trying to input a number of strings (song names) into an array. The program will then ask the user to name one of songs and tell the user what position ... |
Ok I'm really new to this and am not even sure I'm asking the right question but I want to create an object that has some regualr values like strings and ... |
A bit of backfill on what I am trying to do.
I want to parse a String, but to be able to compare, for example
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I realise it's pretty basic.
I need to ask user for an string input. Then I divide string to single char array and print it in a console. I have to ignore ... |
I could not locate the package in which Java defines raw arrays like String[] strs
( not ArrayList).
What methods and properties are defined in such Java array and how do I ... |
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You want to store URL and title of the URL. You can store them in key value pairs in hash table. If you want to achieve this using arrays then you ... |
because an array is fixed size, and a string isn't. a string is more an arraylist of chars but appending to an arraylist requires more code than appending 2 strings together. ... |
After a message is entered by the user, I must either encode it or decode it. In order to do so, I am supposed to input two strings to represent my ... |
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Hi I have 2 classes as follows: public class A { String sv[] = new String[1000]; // Add values into sv............. ......................... ......................... ......................... B k = new B(); // Call Class B B.cards_output(sv); // invoke a method in Class B } // End of Class A public class B { // general declaration public String copy_sv[] = new String[1000]; ...... ... |
For FileChannel, would this work: 1) convert the String Array into byte arrays 2) wrap the byte arrays into bytebuffers 3) create a bytebuffer array from the bytebuffers 4) use FileChannel's write(ByteBuffer[], int offset, int length) method to write the data to the file Note: I want to overwrite the existing data in the file. Will write() do this or does ... |
import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.util.ArrayList; public class ReadFile { public static void main(String[] args) throws Exception { File f = new File(args[0]); FileReader fr = new FileReader(f); BufferedReader br = new BufferedReader(fr); String word = null; ArrayList al = new ArrayList(); while ((word = br.readLine()) != null) { al.add(word); } br.close(); System.out.println(al); } } |
If i have a code is byte[] byteArry = (byte[]) pageInfo.getByteObject(); Then how can i convert this byteArry variable to String so i can display it ? anyone can give me example to handle it ? Note: byteArry is a very large size (actually it is a text/html file). so i would like to handle it using stream class. any idea ... |
Hi, I have file called fives.txt which has abcds yngds rteds uoiyt pouyi ' ' ' ' upto 1000 How do I read these five lettered words and store it in a String array. I tried in following program. file.read();doesn't work. Can anyone help me with this. try { File inputFile=new File("Fives.txt"); int fileSize=(int) inputFile.length(); FileInputStream file=new FileInputStream(inputFile); String linArray[]=new String[fileSize]; ... |
Hello Everyone, I have swing application which is running in tokyo but the database is in USA. So while sending string to store into database, over a WAN slow down the application performance. I have a quick if i convert all string into bytes of array before sending data into database and store bytes into Database instead of String, over WAN, ... |
Hey guys, Here is my problem: I have stored many datas in a database using MySQL,some of them stored as Blob.Say,a long name of food is stored as Blob. Now,I have to do a query and display these data,which is readable too. Is there any jstl action or other tags to transform Blob data which can be retrieved as byte array ... |
How can I return a string[] from a cprogram to a java program? private native String[] readRFIDData(); JNIEXPORT jobjectArray JNICALL Java_RfidDM_readRFIDData (JNIEnv *, jobject); Above is the definition of a jni method . I have gone through the sample code, but they explain how to return arrays from C++. Can someone please suggest? I am not good at C. Much thanks, ... |
Heloo All, I am getting a byte array when I encrypt using an AES algorithm. I converted the byte array to a String using new String(byte[] byteArray, String charsetName) constructor. When I try to decrypt the encrypted String I tried to get the byte[] again using String.getBytes(charsetName ), I am not getting the same byte array. I am using charsetName "UTF-16LE". ... |
HI I have a code here: When I enter the Toy Identificationof the toy1: S01 and then hit enter it should ask me another question as Enter the Toy Nameof the toy1: But instead it goes to the next line blank withiout the above 2nd question: Also I get the follwoing error: Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException at ToyCollection.main(ToyCollection.java:41) The complete ... |
Hi Guys, Am still working on converting my SingleThreadedModel servlet into a MultiThreaded one. Just need help on one problem i got here. pls consider below code. private int main_func() { StringBuffer[][] xx=null; int r=sub_func(xx); some code here printing the contents of xx list.... } private int sub_func(StringBuffer[][] xx) { some code here.... solve ncodes xx = new StringBuffer[ncodes][2]; some code ... |
Hi, I have a form in a servlet. When the user types input and clicks the "submit" button, this request will be passed to another servlet, which saves the request as a String, like this: // TestCG.java . . . out.println(" |
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Hi This is one way to implement the array in javascript.Here the jspclient is the array avaliable in jsp and htmlclient is the array to be created in javascript. <% out.println(""); %> I hop this will be usefull to U ... |
Am trying to do a question with no luck. This is the question that I am trying to do. A) Write a program that displays a multiple choice quiz of 10 questions. Each question has one correct answer and three possible answers. Verify that the user enters only A, B, or C. as the answer. Store the correct answers in an ... |
hello...im building a SWING login interface with the JPasswordField Component. To obtain the unmasked password i use char password[]=txtPassword.getPassword(); the function getPassword returns an array of chars...but i need the result as simply of type String. i tried the type casting several times but im not having the hang of it...can anyone help me plz? thanks in advance, Drftwy |
I'm not sure if this should be in this forum or the JSP or Servlet forum...but here goes. I want to convert a type object to a String array. We're adding a String array to the request object in the servlet code, but in the JSP code when I get the attribute (which is working), it comes back as a type ... |
Hi How to convert String to Arrayof String for Eg. String mstrString ="this is the test string"; after converting the value of mstrString will be assinged to strArr vaiable. String strArr[] = { -- value of mstrString --}; i have a String and i want to pass the Array of String into the Array.sort(String[]) methode. how can i do this , ... |
Hi, I have two string arrays, say, String a[] and String b[]. I want to concatenate these two string arrays into a single one, ie by appending all the elements of b after that of a. Is there any simpler method for doing the same other than putting it in a loop? thanks anu. |
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Hi members, I have two String Arrays: LinArray[]which has 10000 five lettered words searchArray[] which has 1000 five lettered words I have to perform a binary search to search 1000 elements in LinArray[]. I don't want to use built in Binary search method. I know how to perform Binary search on primitives but not on strings. Could anyone help me out? ... |
i have 2 String array one is super of other and i have to get all values which are not in sub array:chname2-subarray and chname1-super array for(int j=0;j |
Hi, Another quick question. I have a text file with lines consisting of one integer, and four strings. Currently, I am able to search through this file and find any of the variables listed within. However, if any of the variables are listed more than once, and I search for that particular varable name, it only prints out the first line ... |
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class Week() { Pattern number=Pattern.compile("\\d+\\.?\\d*"); Matcher m; String sunday; String monday; String tuesday; String wednesday; String thursday; String friday; String saturday; String []days=new String[7]; } In one of my methods, I am querying a database to get the hour values for each of the days (i.e. sunday="r8.0d2.0", monday="r6.0d5.0"). I would like to handle it in the following way where days[i] would ... |
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Wow, thanks for all the enthusiasm! You should know that this isn't actually *my* problem.. it's a co-workers. She fixed it by changing the line to: String args [] = { "ABC", String.valueOf(max)}; Between myself, the senior dev, and her we couldn't figure out why this worked. So I thought I'd be sneaky and get the "mystery" solved with your help. ... |
hi, I tried to clone a multidimensional string array. its getting cloned fine. but whatever changes made to the cloned copy affects the main copy? why is it happening so? Am i doing wrong somewhere? please check this code public class StringArrayClone { private String[][] orgStrArray = new String[][] { {"a", "b"}, {"c", "d"}, {"e", "f"} }; private String[][] copStrArray = ... |
Hey guys, im not sure how to convert a listarray into a string array My list is as follows, java.util.List lines = new ArrayList(); but now i want to put content of lines into a string array i tried this String[] textfile = {}; textfile = lines.Toarray(); but it will not compile, some kind of error sytax error on token expecting ... |
HI , I have a code here: I have a problem tying the string values and gives me the error code: String strtoyid[] = new String[1]; String strtoyname[] = new String[1]; String strtoydesc[] = new String[1]; float flttoyprice[] = new float[1]; short shttoyquantity[] = new short[1]; String strtoy[] = {"Toy Identification", "Toy Name", "Toy Description", "Toy Price", "Quantity in hand"}; for ... |
hi everyone, i have been workin on a small program but failed to come up with a solution... Here's the problem : Create a java program that has a method which takes in a String array, say somethin like String arg-arr[]={"a","b","c","d","e","f","g","h","i"}; and produces a list of all possible combinations of the elements of the array. i.e. it should produce output like ... |
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All, I have a routine that needs to create a string by concatenating a hard coded string with one element of a passed-in string array. Basically, I have the following code snippet: criteria[0] = "test"; new_string = " iclass_id = '" + criteria[0] + "'"; This new_string value never gets created correctly - comes up as null. However, if I take ... |
Hi to all My question is that i want to know that as Arrays class has a static field length that stores the length of the array while initializing, which can be fetched later but for the same String class has a method length().Why?? as both arrays and string instances are immutable.So once string is initiallized its length can't be changed.So ... |