32,204 Topics
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| | I was doing my login access with ms access database (accdb), supposed can work but after i upgrade to java 8, it no longer able to support odbc and i was struggled to solve this problem, and it gave me the ClassNotFoundException list of library i have in my netbean …  |
 | i need code (c++) +explanation of lexical analysis javacc  |
| | I am writing a java program. One of the functions of my program is to count all the uppercase letters in a paragraph of text I import. I am not sure how to set this up. Is it something like, isUpperCase.(char) Any help would be great Thanks  |
 | Hey guys,I have a problem solving the 7.2 exercise in the book Think Java v6.1.0. Any help please?  |
 | hi everyone can anyone help me this project ? ******************************************** The existing system, normally in a company, employees enter the office at different times. To administer the timings of the employees, we write the entry time and exit time of the employees in a register, which had some problems such …  |
 | i use an image ??? application. I browse trough its folder but can not find a single image file yet. There are plenty Java serialization data file, in its folder. i guess its store image on that file. any ideas to view ? (file attached) thank you verymuch  |
 | The ArrayList class extends AbstractList and implements the List interface. ArrayList supports dynamic arrays that can grow as needed. Standard Java arrays are of a fixed length.  |
| | I would like to know any advice for creating a program that will read in a *.csv file and load the data into a 24 x 24 array for further processing. I am including a total of 48 records, so that you can see how the data looks and what … |
| | Hello :) This is my first post. I haven't done a Java type program in a while (2-3 years). I am trying to write a simple program which displays a window with 5 buttons. When you click either the first or second button it should open another window within which … |
| | Hi team, Please show me how I can encrypt password and padd it with RSA algorithm. Show in java. Assume key is given. |
 | I have a form in Acrobat DC with a data matrix barcode - when i scan the barcode it looks like this 777777799999MS2334WASHER912/15/16100YesYes3Q127/18 i need a tab between so when i scan them in excel they will fill in cells across a row. The code looks like this - any … |
 | I am writing a java program that needs to execute shell commands, so I wrote a function that would take the command to execute as a string (ie: "mkdir ~/Folder1") and execute that command with the shell. Here is the function: try { Runtime run = Runtime.getRuntime(); Process pr = … |
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| | I'm getting a mising **).** error with a condition if (i=0;i<5;i++) ? |
 | i have create desktop based application using java language. now i want to give it to my client so for that i want to create executable file for java prgram so how can i create .exe file from java program? |
 | my activity is load a grid view from xml file and the controls from other xml file public class ResultActivity extends AppCompatActivity { GridView gridview; ArrayList<String> arrayList; String ip, db, un, passwords; Connection connect; PreparedStatement stmt; ResultSet rs; Button TButton; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.gridviews); TButton = …  |
 | Is there a way to develop a GUI which has graph data structure at the backend so that if we want to have information about a particular node or edge, we just tap its corresponding GUI representation and the app gives us the required info? |
 | Hi, as I was told that my code doesn’t scale well at all, I thought perhaps I’d try to get a better understanding of interfaces/abstract classes and classes and the relationship between them. I don’t want at this stage work on a big separate project as I've already got plenty … |
 | Help! I want to create a java program that finds the highest even integer among the values entered by the user. Stop asking values when a value less than 1 have been entered. If no even integer is entered, display "No Even Integer" Here is the sample output that I … |
| | The problem asks: Write a program that prompts the user to enter an integer from 1 to 15 and displays a pyramid, as shown in the following sample run: Enter number of lines: 7 [CODE=text]......1 .....212 ....32123 ...4321234 ..543212345 .65432123456 7654321234567[/CODE] (except the example given shows spaces in between the …  |
 | I am a student struggeled in the following task I very appreciate if you can help, and send me an e-mail of solutiont ASAP please. The task is: Design and implement an object-oriented program describing two kinds of bank accounts, FixedFee and ChargeableFee, that differ in the way that fees … |
 | I have a Combo box/Dropdown and when a user clicks an option I want the combo box to set the text onto a jTextField. For example: if(carsJComboBox.getSelectedIndex() == 0) { currentCarsJTextField.setText("250 Million"); } if(carsJComboBox.getSelectedIndex() == 1) { currentCarsJTextField.setText("500 Million"); } The problem is that when the program runs, it automatically … |
| | ...I want to start Android app development. Was wondering anyone of you could suggest me the best resources to learn from. I know java but have no idea about Android app development. I hope the resources cover all the basic features that are there in any modern day app like …  |
| | when I boot up my Win 7 machine, I get this annoying message, as far as I know I don't even have Java. I can't find it anywhere on my computer. C:|User\Joan's Computer\new\new\jaAKSp I have searched the registry and also all programs but no Java. also, Google browser and Internet … |
 | Hi, I have built an application using java programming and I want to write MySQL table data to excel sheet by using Apache's POI libraries and MySQL connector in java. I have explored many [mobile development blogs](findnerd.com/NerdDigest) for my previous query on Android Programming & get a satisfactory solution. I …  |
 | Write an application that displays a series of at least four survey questions; the survey can be on any social or political topic you want, and each question should have at least three possible numeric-choice answers. At the end of the survey, use a dialog box to ask whether the … |
| | Hi all would like to ask question about JPA syntax ,which of this 2 versions of code syntaticly better and safer? public static Prices getPriceById(int id){ EntityManager em = DBUtil.getEntityManagerFactory().createEntityManager(); return em.find(Prices.class, id); } or this version : public static Prices getPriceById(int id){ EntityManager em = DBUtil.getEntityManagerFactory().createEntityManager(); try{ Prices pr … |
 | Please tell me the all the implanted things that how to start because I am new in software development field. thank you..  |
| | hi all it has been a very long time since I have written anything in here everythings has sicne change, i cant even find the java forum in here but anyway, my problem, i am practing on dis program, jus started it actually. I have two classes only, as I … |
| | i am very keen to learn how to develop mobile apps, but i want to master one programming language. i hear you can design mobile apps for android, windows & ios using Java. Is this true, if you can someone explain the details of doing this in each platform  |
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