[ad_1] You need to add main_panel.revalidate(); before the repaint() call in order to instruct the Swing layout manager to re-layout newly added components again. 3 [ad_2] solved problems with java layout manager
[ad_1] You can’t do this in Java alone. Period. You may try JNI, but definitely not in Java alone. 1 [ad_2] solved Setting action listener on system applications
[ad_1] To convert (actually, package) .class files into .jar files, you use the Jar tool. You can then generate a .exe file from the .jar using tools like Launch4j, JSmooth or several other packages (search the web for “jar exe”). [ad_2] solved How to convert java or class file to exe file [duplicate]
[ad_1] Let’s take a closer look at your code’s conditional structure by correctly separating and using indentations: I like to add a bit of white-space to clearly know what’s going on. private void main(void){ //Indentation shows how program blocks are related to one another if (this.condition(parameters) == true) // Indentation here shows the following statement … Read more
[ad_1] 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 … Read more