[Solved] Regex to match end-of-sentence markers [closed]
[ad_1] [!?.]+(?=$|\s) Try this.You can add markers as needed.Replace by “. See demo. http://regex101.com/r/lS5tT3/15 7 [ad_2] solved Regex to match end-of-sentence markers [closed]
java
[Solved] Receiving null Value while using POST method in servlet?
[ad_1] Copy pasted your code in my servlet worked fine Check that you overrided doPost method in the servlet Check that you that your post metod work fine and return value, I use “DHC Rest Client” plugin for chrome. It is very cool tool Try to remove httpCon.connect() line. It is not necessary. From oracle … Read more
[Solved] NullPointerException object and arrays
[ad_1] The method is lack of a modifier static It should be public static void main(String[] args) {. Change your code of class SearchComparison as follows and you will get the right result. public class SearchComparison { public static void main(String[] args) { StopWatch watch = new StopWatch(); ArrayUtilities utilities = new ArrayUtilities(); watch.start(); utilities.generateRandom(5); … Read more
[Solved] Flattening nested list in java [closed]
[ad_1] It seems that a raw list/array needs to be created including fields from Employee and Address (assuming appropriate getters exist in these classes): List<List<Object>> flattened = list.stream() .flatMap(emp -> emp.getAddresses().stream() .map(addr -> Arrays.asList( emp.getName(), emp.getId(), addr.getAddress(), addr.getPostalCode() )) ) .collect(Collectors.toList()); flattened.forEach(System.out::println); // should print desired result [ad_2] solved Flattening nested list in java [closed]
[Solved] Java – If I specify multiple generics, do I have to use them all?
[ad_1] If you’re using generics*, you always need to include both types. Depending on your specific use, there are a couple of ways you could do this: Use a wildcard for one of them: Foo<?, Integer> foo = new Foo<>(69); Use the Void type: Foo<Void, Integer> foo = new Foo<>(69); Both of these will prevent … Read more
[Solved] To get count of values with respective attribute values in XML using java [closed]
[ad_1] Nice question…This problem taken me back to basics of java.. Here we go for the solution.. Car.java package com.sof.test; public class Car { private String model; private String version; public String getModel() { return model; } public void setModel(String model) { this.model = model; } public String getVersion() { return version; } public void … Read more
[Solved] How to create various types of inputs in order to test my algorithm? [closed]
[ad_1] You can use Arrays.sort() to sort your array before feeding it, each of the following describe how to achieve one thing you asked for – try to do each on the array (one at a time) before invoking sort(a) To sort the array in ascending order: Arrays.sort(a); To sort the array in descending order: … Read more
[Solved] Finding largest square less than a given number in Java [closed]
[ad_1] Here is how to do this with loops int n=10; //This is your Number int i = 0; for(i=n;i>=1;i–) if((int)Math.sqrt(i)*(int)Math.sqrt(i)==i) break; System.out.println(i); Below is how it works:- The Loop runs from the n, which is your number, to 1. It then checks whether, the square root of i, which is running through n to … Read more
[Solved] Class Not Found Exception: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver? [duplicate]
[ad_1] JAR file need to add to project class path. First Right click on you Eclipse Project, Project –> Build Path –> Configure Build Path. Under Libraries tab, click Add Jars or “Add External JARs”. [ad_2] solved Class Not Found Exception: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver? [duplicate]
[Solved] Value with All number except n or n number in Java [closed]
[ad_1] I’m sorry for my Bad English so you all not uderstand with Question. I’ve solved my problem with this code for(int i=3; i<filteredSubGroupList .length(); i++){ try { filteredSubGroupList = (ProgramMethod.filterArray(subGroupList, “main-group-nr”, String.valueOf(3), false)); } catch (JSONException e) { e.printStackTrace(); } } LOGCAT : I/System.out: 3 I/System.out: [{“zknr”:98,”bezeich”:”CIGARETTE”,”fibukonto”:”14″,”departement”:1,”betriebsnr”:98,”main-group-nr”:3},{“zknr”:700,”bezeich”:”DISCOUNT”,”fibukonto”:”00″,”departement”:1,”betriebsnr”:0,”main-group-nr”:30}] It’s make me get all int except … Read more
[Solved] SQL syntax formatting on Android Studio or IntelliJ?
[ad_1] IntelliJ support SQL but only the ultimate edition and since the android studio is built on community edition so consequently, it doesn’t support SQL. I looked it up and PyCharm Community Edition does not support database / SQL only the ultimate edition take a look at this comparison and this [ad_2] solved SQL syntax … Read more
[Solved] My object is not null but I’m getting a NULL POINTER EXCEPTION
[ad_1] In the stacktrace I see this: java.lang.NullPointerException: Attempt to invoke interface method ‘int java.util.List.size()’ on a null object reference The adapter is trying to call size() on a null List. Make sure your list searchResults is not null. [ad_2] solved My object is not null but I’m getting a NULL POINTER EXCEPTION
[Solved] I need to decrease first n elements of an array by 1
[ad_1] let’s say n=3 int n =3; for(i = n-1; i >= 0; i–) { array[i]-=1; } Alternatively as @locus2k points out we can also iterate through the array starting at the 0th index as so int n = 3; for(i = 0; i < n; i++) { array[i]-=1; } 2 [ad_2] solved I need … Read more
[Solved] In a recursive statment, how does java store the past values?
[ad_1] It actually isn’t storing ‘past values’ at all. It stores the state of the program in the stack, with a frame for each method call containing data such as the current line the program is on. But there is only one value for the variable result at any time, for the current method on … Read more
[Solved] cannot be resolved to variable
[ad_1] As others have stated, this site is not a school for learning the basics of the language. But sooner or later people will propably come here in search for an answer to your exact question. You have a huge misunderstand of how Java works. In your code, you are making two mistakes. First, you … Read more