Questions tagged as 'java'

Tagged questions
2
answers

How to put in a new array a vector without empty spaces

First array String datos[]={"hola", "", "como", "", "", "estas", ""}; Make an algorithm that skips empty spaces and that you in a new array datos new[]={"hola", "como", "estas"}; in java please This is what I have so far String[...
asked by 15.01.2018 / 15:11
1
answer

Save word template on server

I have a problem with my application. I have a functionality that downloads a template in Word from the server, and opens it with the word, but without physically downloading it to the PC. In theory, I would have to save it in a pre-established...
asked by 15.12.2017 / 09:36
1
answer

Java Hibernate. Search for the key

Greetings to the whole community. I have a problem to perform a search on a table. The key of this table are two fields and I am doing the search with hibernate: The model is three tables. REGION, CITY, COMMUNITY. For the CITY table, the key con...
asked by 08.11.2017 / 21:52
1
answer

Java Threads Test (elementary) does not seem to work correctly

This is a thread synchronization test and the output I get is this: The code I am using is this: compartirinf.java package cuenta; public class CompartirInf{ // Esto es el programa principal public static void main(String[] args){...
asked by 08.11.2017 / 17:13
1
answer

java program that elevates 100 numbers to the cube

package pow; import java.util.*; /** * * @author Cuenta Casa */ public class Pow { /** * @param args the command line arguments */ public static void main(String[] args) { Scanner sc = new Scanner(System.in); int...
asked by 28.10.2017 / 23:08
1
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Problem with do while loop inside a for

I have a problem that I can not solve with a java loop for a class exercise. I need to make a program that asks 10 questions of random multiplication tables. At the end of the 10 questions, you have to show me the questions that were right the f...
asked by 02.12.2017 / 16:23
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answers

problem with bringing array from different classes

I have a program in Java that simulates the events that occur in an e-commerce site. My program consists of two classes. One for the product category and another for the car. The first class allows the user to enter products into an array of pro...
asked by 12.11.2017 / 15:50
1
answer

Regular Expressions in Java

I need to please see if anyone can help me extract from a pdf one using regular expressions in Java the school pattern as shown in the image. I'm currently trying to extract in this way and it does not work for me. Thank you very much for your h...
asked by 05.08.2018 / 05:34
1
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receive string from a json and convert it to object or array (php - java)

Good morning It's my first post and it's simply because I do not know what else to do: c The issue is that I have a web services where I make a query to a database from php and I get a json of the type String something like this. [{"id":"1","u...
asked by 20.11.2017 / 03:47
1
answer

Help with sql connection from java please

I'm running around with this since yesterday and I do not know the problem. I want to connect my test program with the database of my pc, from java to sql server 2017, I already made all the configurations, and the connection test gives me ok, b...
asked by 12.09.2018 / 02:16