Simple ways to check if a value is null before setting it to some object in Java.
This is the
N-Queensproblem solution with a
backtrakingapproach, look here for the N-Queens brute force approach.
N-Queensproblem consists in finding a position for N chess queens in a board of NxN squares where none of the queens are attacking each other.
I was trying to fake
Amazon Web Servicesusing
localstackby running it with
Junit5and this is what I did.
If you need some
GUIfor your desktop Java application you can use the
scene builderfrom Gluon to drag and drop controls and you can then export them into a
.fxmlfile that you can load using
JavaFX. In this example we are using Java 11 and maven.
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