1) You should use this Maven archetype: maven-archetype-webapp 2) You link your database to your Java code with Hibernate. Read more here: http://www.tutorialspoint.com/hibernate/orm_overview.htm Then, you “generate” the XHTML page from your Java code. 3) The Spring framework is a very big thing to learn if you don’t know anything about Java web. Try servlets + … Read more
it also should display in the jTable without clearing existing data (as a new row) Well then you can’t use the setModel(…) method since that will replace all the existing data with the new data. And you can’t use the DbUtils.resultSetToTableModel(…) method since that will return new TableModel. Instead you will need to read the … Read more
You are approaching it wrong. What you want is: 1) Get the entrySet() from the Map. 2) Sort the entries by their value 3) Print the key of each sorted entry What your program does is sort the keys alphabetically. And it does it fine. 5 solved How do I sort my HashMap keys – … Read more
This is the problem: AccountManager accountmanager= new AccountManager (account, t, accountmanager); You’re declaring a variable, and trying to read from that variable in the same statement that gives it an initial value. Here’s a simpler example, to show how it’s nonsensical: int y = 10; int x = y + x; What would you expect … Read more
For the first method, it is n*n = n^2. Since there are two loops, for each loop O(n) is n since you are going through each item in an array. Second one is a constant o(1). 1 solved How to calculate Big-O? [closed]
You can use this code: String hrefValue = driver.FindElement(By.XPath(“//li/span[@class=”mreinfp comp-text”]/a[@href]”)).getAttribute(“href”); You will have the href value in hrefValue 1 solved i want to extract the href having same classname in selenium [closed]
You are most probably creating too many memory in program. you must create array(arr) outside the while loop and manipulate it inside the loop.. 0 solved NZEC runtime error in Java
How do I format spaces in java as well as add a leading 0 before a two digit number, to convert in it to a 3 digit number? [closed] solved How do I format spaces in java as well as add a leading 0 before a two digit number, to convert in it to a … Read more
Try this: public int caughtSpeeding(int speed, boolean isBirthday) { int noTicket = 0; int smallTicket = 1; int bigTicket = 2; if (isBirthday && speed <= 65) { return noTicket; } else if (isBirthday && speed >= 66 && speed <= 86) { return smallTicket; } else if(isBirthday && speed >= 86) { return bigTicket; … Read more
This seems a homework assignment, and it’s nice to you to achieve this little goals to correct programming learning. As we’re not here to make your homework, here you have few steps to guide you through: Define a Scanner to ask user’s input Use Scanner to put user’s input into a variable Use this variable … Read more
You cannot access variables like this. You have to define a List or an array int A = 0; int[] myIntArray = {1,2,3,4,5}; for (int i = 0; i < myIntArray.length; i++){ //Now you can access your array with the index A = myIntArray[i]; //This statement still does not make much sense } You should … Read more
A static field’s value is stored in the memory of the JVM, and each JVM will thus have its own static map. This can be OK, unless you want a unique cache for all the members of the cluster. 2 solved Caching mechanism cluster environment
For your interest, this is how I would write it. static final Map<String, Double> gradeToPointMap = new LinkedHashMap<String, Double>() {{ put(“A+”, 4.0); put(“A”, 4.0); put(“A-“, 3.67); put(“B+”, 3.33); put(“B”, 3.0); put(“B-“, 2.67); put(“C+”, 2.33); put(“C”, 2.0); put(“F”, 0.0); }}; public static void main(String… args) { Scanner keyboard = new Scanner(System.in); System.out.println(“Enter a letter grade as … Read more
Declare z inside your onclick function. Or assign it a value inside your function. Also nop and cob are editText’s get the data in it, use getText(). Because Integer.parseInt() accepts only a String but not an editText, so you must use getText() to get the String value in it. x = Integer.parseInt(nop.getText().toString()); y = Integer.parseInt(cob.getText().toString()); … Read more
Trying to get you going without writing the whole thing for you: For point 1, the goal is to initialize internal variables (that are already defined in the class) according to the parameters passed to the constructor: public AbstractGamePiece(String name, String abbreviation, int playerType) { myName = name; // and so on } Then, a … Read more