IDEA: javac: source release 1.7 requires target release 1.7?

When running a JUnit test, using IntelliJ IDEA, I get How can I correct this? Using SDK 1.7 Module language lev...

IDEA: javac: source release 1.7 requires target release 1.7?

When running a JUnit test, using IntelliJ IDEA, I get How can I correct this? Using SDK 1.7 Module language lev...

Getting error at prepareStatement?

I'm trying to update entries into a table but i keep getting this error:: java.sql.SQLException: Syntax error: ...

How to convert BigDecimal to Double in Java??

How we convert BigDecimal into Double in java? I have a requirement where we have to use Double as argument but we a...

JSON - is there any XML CDATA equivalent??

I'm looking for a way that json parsing will take information as is (as if it was CDATA) - and not to try to seriali...

Creating 2D Angled Top Down Terrain Instead of Fully Flat?

Similar to the game Factorio im trying to create "3D" terrain but of course in 2D Factorio seems to do this very wel...

Adding null values to arraylist?

Can I add null values to an ArrayList even if it has a generic type parameter? Eg. ArrayList<Item> itemList ...

Drawing a circle in a turtle program?

I am currently working on a Processing (as in the language) sketch, which is driven by Turtle logic (see https://en....

Problem with gif with transparent background?

I have a problem with displaying my gif with a transparent background because when I start this program, my gif show...

What does super.paintComponent(g) do??

What does super.paintComponent(g) do (especially when we place it inside paintComponent() method)? I am surprised I ...

How do I programatically layout a dynamic word cloud with OpenCloud in swing??

I've gotten to the stage where I can display my OpenCloud word cloud in Java using this code with Swing. It loads te...

Java JDK - possible lossy conversion from double to int?

So I have recently written the following code: import java.util.Scanner; public class TrainTicket { publ...

How to get the filename without the extension in Java??

Can anyone tell me how to get the filename without the extension? Example: fileNameWithExt = "test.xml"; fileNameWi...