tleverington1

Hello all, I am having problems setting up a connection with a mysql database that i'm going to need to use for one of my projects. My code to establish the connection is as follows: import java.sql.*; import java.sql.Connection; import java.sql.SQLException; import java.sql.ResultSet; import javax.sql.ConnectionEvent; import java.sql.DriverManager; public class SQL …

Hi there, when calling a method from another class I get the following error message: ** Exception in thread "main" java.lang.NullPointerException at TextAnalyser.main(TextAnalyser.java:23) ** My two classes: import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.lang.String.*; import java.util.*; public class TextAnalyser { static Tokeniser aTokeniser; public TextAnalyser(Tokeniser aTokeniser) { } public …

Hi all, I have a slight problem when checking if a "Token" is in my StringTokenizer string. My code: import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.lang.String.*; import java.util.*; public class TextAnalyser { public static void main( String args ) { StringTokenizer stringTokenizer = new StringTokenizer("You are tokenizing string"); System.out.println("The …

I'm having some problems when trying to set a panel within my JFrame to visible when someone either presses enter or clicks the JButton within my two methods shown in previous post. I am getting the following error: Cannot make a static reference to the non-static field Interface.panel. The code …

Hello All, I'm in the process of making a GUI for a search engine, I have never coded a GUI before so just experimenting with user input in Textfields and also the use of ActionListeners and i'm having a slight problem. My code can pick up what the user has …

Hi there, I am trying to display three Attributes assigned to each "Student" which variables are defined in my 'Student' Class. In my show student class, I can get the user to decide how many Students they would like to add, and i also get the user to input the …