In my application, I have a main screen with a menu. The contents of each menu screen should appear inside a main screen panel, I do not want to open a new screen for every thing.
What I need then is to change the contents of the main screen...
When I click the button it calls a method, and until that method finishes the JFrame does not update
the program is in the image below
privatevoidjButtonBuscarActionPerformed(java.awt.event.ActionEventevt){jTextArea.setText("");
Atua...
I have a problem with doing insert there in the PostgreSQL database. The code is apparently ok but at the time of compiling the error.
The error is related to the type of data that I try to insert into the database. The error it gives is...
I'm new to front-line programming, especially at AngularJS. So I'm asking you if it's possible to create an app, either with ionic or phonegap, with the angular being front-end and the back-end java without any incompatibility or anything like t...
Here is the example of the code you were doing:
package manipulacaos;
import java.util.Scanner;
public class ManipulacaoS {
public static void main(String[] args){
Scanner ler = new Scanner(System.in);
String letra = "a";...
I'm getting a json object from the screen in my back end like this:
{
"pessoa": {
"nome": "aa",
"nomeSocial": "aa",
"tipoPessoa": "F",
"nomePai":"",
"dataNascimento": "15/06/1983",
"nomeMae":...
I'm having this error on my console ...
Caused by: javax.persistence.PersistenceException: Callback methods annotated in a listener bean class must return void and take one argument: javax.persistence.PreUpdate - public void digifred.model.aud...
My dear ones, I have the following code:
public static void questionTwo(){
String back = "";
Scanner scan = new Scanner(System.in);
System.out.println("Questao 02: ");
while(!back.equalsIgnoreCase("N") && !back.equa...
I have a Class Registration, which is responsible for View. In it I have this code:
public void listarTabela(){
DefaultTableModel val = (DefaultTableModel) jTable3.getModel();
val.getDataVector().removeAllElements();
UsuarioDAO usD...