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Tag: java

Trouble spacing in JFrame

I am new to Java, what I am trying to do is generate a GUI with a bunch of images I have managed to generate a bunch of images, however, they have unnecessary space between them horizontally, is there any way that I can get rid of this currently I am generating them like so? is there some other method

JUNIT test for binary search tree

I have implemented a binary search tree. Most of my test in JUNIT test is going through, including these two. I have implementedleavesIsCorrectWhenTreeIsPerfect() and insertValuesInAscendingOrderIncrementsHeight(). Both of these test goes through, however i do not know if it is correctly written based on what…

how to use IF else inside Do while loop [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed last year. Improve this question I want to Make a game Enter ATM pin with only 5 chances if you guess the correct pin it will s…

Spring-Boot MVC JPA Filters

Let me start by saying I’m fairly new to Spring Boot so apologies if I’m making a silly mistake somewhere. I am trying to retrieve the value of my form post using @RequestParam so I can utilize it in a JPA query to return kids who have a specific pet type. I’ve done other JPA queries and had…

compareTo: treat two nulls as equal

I would like my compare method to work so that in the case where field1 == null in both objects, comparation would not be determined, but field2 would be checked, and so on. How to do it in the simplest way? The method below does not work well: when the fields from both objects are null, the comparison is alw…