I am building a java application and i have implemented custom listeners and events. The problem now is that there are many events and listeners and the application GUI thread is being blocked while ...

Hi is there any cache or settings of the jvm to speed up methods call? e.g: I do have a web service and when I call it once per 10minutes or so it's quite slow processing takes around 8-10s in ...

I've been googling around for a solution to this problem, I probably found it but I'm pretty new to programming so my level of understanding is mediocre at best. I have a calculation taking place in ...

I have a bunch of constraints, each consisting of two symbols and a comparison operator: <, <=, !=, ==, >=, or >. So, for example: A <= B C >= B A != C C == D D > E I want to be ...

I'll show a simplified example of my problem to help demonstrate it. let's say I'm trying to convert an old java code to java 8 code for style and parallelization purposes (Which i do). this is the ...

What is the difference between the two following methods of array initialization: Object[] oArr = new Object[] {new Object(), new Object()}; Object[] oArr = {new Object(), new Object()}; Is it ...

This post shows that the code below creates a List from an array. double[] features = new double[19]; List<Double> list = new ArrayList(Arrays.asList(features)); I'm expecting list to contain ...

I wish to pass to Hibernate's SessionFactory hibernate.hbm2ddl.auto=update and see in log file generated sql statements. Is it possible w/o java coding (know how to achieve the result with ...

I have created a JButton class that recieving Action, the JButton class includes keystrokes & mouse listener so i can use the same class in multiple frames as needed. My problems is that: JButton ...