So my goal is to build a word search here. The road block I have run into is how to save words, input from user, into an array. Then once I figure that out I need to try and arrange them in such a way so that they will fit into my array without screwing with one another. It does not have to be working exceedingly well I mean really it can be assumed that the users will not try to screw the program up. Ie one or two words and a fairly large table will be all the input. Here is the program as of now:
import java.util.Random;
import java.util.Scanner;
public class BuildWS
{
int r;
int c;
char[][] array;
String query = " ";
Write a menu driven program that either accepts words and their meanings, or displays the list of words in lexicographical order (i.e. as in a dictionary). When an entry is to be added to the dictionary you must first enter the word as one string, and then enter the meaning as separate string. Another requirement - from time to time words become obsolete. When this happens, such word must be removed from the dictionary.
Use the JOptionPane class to enter the information.
Use the concept of linked list to carryout this exercise. You will need at minimum the following classes:
- A WordMeaning class that hold the name of a word and its meaning. - A WordMeaningNode class that creates the node of information and its link field. - A WordList class that creates and maintain a linked list of words and their meanings. - A Dictionary class that test your classes.
For the output, the program should produce two scrollable lists:
- The current list of words and their meanings. - The list of the deleted words. You need not list the meanings, just the words.
So far, I have everything coded except for the remove method, and I am not sure how to code that. I coded the add method already, but now I don't know where to begin with the remove method in my WordList class. My classes are below.
WordMeaning Class:
public class WordMeaning { String name; String definition; WordMeaning(String t, String d) { name = t; definition = d;
When casting a char which is read from a file to an int, can i assume that the mapping used will be ASCII? I've learned that unicode uses ASCII mappings for the characters that overlap.
Are there any other possibilities for int values of one character? I still have trouble understanding character encodings.
I was asigned to make a code that would limit the input to 1 character when asked for the initial of your middle name. So far I have the code ask for your first name then your last name and out put "Hello" firstname+last name. Im trying to add an 1 character middle itnitial in there.
I was reading about the char data type in Java. I know that an unsigned 16 bit integer is used to represent a char. So we can write the assignments below:
char a = 65; // a will get the value 'A'
But the limit of the char value is 65535.
So I've tried out a few things with char and trying to understand them but I'm not sure how they work.
char a =(char) 70000; char b = (char) -1;
In the first case I thought that 70000 % 65535 would happen internally and the unicode character present at that location would get stored in 'a' but if I do that I get the answer of 70000 % 65535 as 4465. But when I display 'a' it shows me the output as '?'. Clearly '?' isn't at 4465.
In the second case I have no clue what's happening but somehow when I display 'b' it shows me '?' again.
I can't figure out how to have all of the random characters generated to go into the String. Below I can only get the last character to covert over to a String.
System.out.println("Original random character string:"); String printingString = "a"; for (int i = 0; i < 50; i++)//loop to obtain 50 random characters { char randomChar = (char) ((Math.random() * 255) +32); System.out.print(randomChar); printingString = Character.toString(randomChar); } return printingString; }
I'm very new to Java and need to write a program where the user inputs any number from -999 to 999 and it inputs it in words. For ex -24 entered would print negative twenty four or 800 entered would be eight hundred. I need to have at least 2 methods that need to be returned to the main method. When i compile, it says that cannot convert from void to java.lang.string for all the word = ... in my case statements.
import java.util.Scanner; public class NumToText { public static void main (String args[]){ Scanner input = new Scanner (System.in) ; System.out.println ("Enter number."); int number = input.nextInt ();
Goal this time is to take a charArray, copy it into another charArray while reversing the things in it.
E.g. charArray["!ollaH"] into charArrayNew["Hallo!"]
My first idea was to revert the stuff in the Array with a ! cause i saw earlier that u can work with that too revert booleans. Sadly i didnt happen to make it work.
Next thing i thought of was a for loop to go trough the charArray and copy every section into charArrayNew just at the opposite end.
Java Code:
import java.util.Arrays; public class aufgabe43 { public static void main(String[] asgr){ char[] charArray
[Code] .....
Eclipse doesn't show any errors, and as u told me last time i did include import java.util.Arrays; to output the array in the end.
When i try to compile the code eclipse returns with an error
Java Code:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 68 at aufgabe43.main(aufgabe43.java:8) mh_sh_highlight_all('java');
Which I frankly don't understand since the array . Length is exactly the same.
I have a char[] containing ASCII characters that need to be converted into int value and double value.
The int value are always stored in 1 char size like 'j'. I extracted it succesffully by converting the char in a ascii bytearray and then used: Integer.parseInt(sb.toString().replace("0x", ""), 16);
How can I get the Value as double when i used the char[] with size 2 or 4 ?
Example : final char[] charValue = { 'u', ' ', '}','+' }; what is the associate Double value ?
Example : final char[] charValue = { 'T', ' ' }; what is the associate Double value ?
Example : final char[] charValue = { 'T', ' ' }; what is the associate int value ?
You can also use an escape code if you want to represent a character that can't be typed in as a literal, including the characters for linefeed, newline, horizontal tab,backspace, and single quotes.
char d = ' '; // A newline
char c = '"'; // A double quote
But for the newline code that is escaped above, it still gives me a new line. Is this a typo? Shouldn't it be '' for it to be escaped?
I wrote a code for a "skydiving" program that randomly selects the "maneuvers" to be performed by the skydiver during his skydive. I am almost done with the program. I just need to figure out how to print non repeated maneuvers for each round. Each round may not consist of two of the same maneuvers. The program that I wrote randomly picks the maneuvers but sometimes it still prints out two of the same maneuvers for each round.The following is my code.
import java.util.Scanner; import java.util.Random; ///v.0 public class Testpart2 {
I wrote a code for a "skydiving" program that randomly selects the "maneuvers" to be performed by the skydiver during his skydive. I am almost done with the program. I just need to figure out how to print non repeated maneuvers for each round. Each round may not consist of two of the same maneuvers. The program that I wrote randomly picks the maneuvers but sometimes it still prints out two of the same maneuvers for each round.
The following is my code
import java.util.Scanner; import java.util.Random; ///v.0 public class Testpart2 { public static void main(String[] args) { Random randomNumbers=new Random();
I found a fun program online and something so simple is giving me an issue. I c++ it is pretty simple fix, I can just call the strings location like an array. In java this is not the case. So far i have tried:
myString.charAt(); myString.indexOf();
There are a few other I found on google but I forget at the moment. I am just trying to close the gap on a string. It was a full sentence and I used replaceAll a few times to get several words I didn't want in the file out.
So I am working on a project for my Java course and for whatever reason, I am absolutely struggling with this assignment. I've made some progress but I can't seem to completely wrap my head around the algorithm I'm being told to use. I feel that everything is correct up to a particular point.I believe I am having issues moving a char array into a char matrix.
package edu.cofc.csci221.ui; import java.lang.*; public class Decoder { private int[][] M;
[code]...
Would I just need to loop through lsb one at a time and assign them to sequential spots within D? Basically call my get binary value and such in the outer loop and then use the inner to loop through both arrays and reassign values?
Character replacement in string.If I have a String "aaaaa" and what to replace just one "a",with a different character say "J" how can I do this? Everything I've tried replaces all not just one
I'm trying to take the information from one 2d char array and put it into another char array but instead of traversing the array left to right I want the new array to be top to bottom.
Example fg would be fh hi gi
I'm having trouble getting the information from one to the other.
[code]public static char[][] translateIt(char[][] english){ int rows = english.length; int columns = english[0].length; char[][] chinese = new char[columns][rows]; for(int j=0; j < columns; j++){ for (int i = 0; i < rows; i++){ //chinese[i][j] = english; this is commented out because it didn't work. }//Ending bracket of columns for loop }//Ending bracket of rows for loop
return chinese; }//Ending bracket of translateIt[code]
I was browsing around and I found a question asking to find how many times a word occurred in a sentence. I am using a hashtable, over kill yes but I need to use them more. However my counter is not working, not really sure why.You can see in the main method I have two repeating names but it returns 0.
package frequency; import java.util.Hashtable; public class CheckFrequency { hashtable<String, Word> words = new Hashtable<String, Word>();
I have array contain numberi create new char array and i want to check if a number is >= 90 in array then input A at the same index in char arraythen second part i want to check if char array contain "A" then a = a + 1.
The result is like this:
A: 5 B: 29 C: 38 D: 24 E: 12 F: 17
public class Test { public static char[] grades(int[] getMarks) { char[] grade = new char[getMarks.length]; for (int i = 0; i < getMarks.length; i++) { if (getMarks[i] >= 90) {
