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Heapsort Within a Given Range

I am trying to write a Heapsort method that only performs the sort within a given range passed into the method. The ranges low and high are passed in and these values correspond to values inside the heap, not indices of the heap. For example, the input array might be: 28 10 49 20 59 61 17 and if low

Android: set fixed item on RecyclerView

I have a RecyclerView, when I click in the first view it adds another view like in the image, what I want is to set the “add” view which ID is “1” to be fixed in the last position of the recycler instead in the first. My adapter: In the activity: Answer I solved it by creating a custom…

Initializing variable in try catch block

I am getting the error in Java: Exception in thread “main” java.lang.Error: Unresolved compilation problem The local variable b1 may not have been initialized at Test.main(Test.java:20) Here is my code: Answer The problem here is that getBytes(String encoding) throws UnsupportedEncodingException. …

Jackson Serialize Field to Different Name

I have this JSON to deserialize: I want to serialize it to 2 different formats: [A] [B] I’m able to serialize it to 1 format: [A] only or [B] only. Here’s my code to serialize it to [B]: I read about JsonView here http://www.baeldung.com/jackson-json-view-annotation (section ‘5. Customize JS…