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Asked: 2026-06-03T20:53:26+00:00

I have this code. class VBO (size: Int, usage: Int, private val vao: Int

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I have this code.

class VBO (size: Int, usage: Int,
    private val vao: Int = GL30.glGenVertexArray(), 
    private val vbo: Int = GL15.glGenBuffers())

Why can I use size and usage in other methods in the class? Also what are they considered (fields, methods, ect.)?

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1 Answer

  1. Editorial Team

    They are usable because, presumably, you need them for some reason, seeing as you declared them as parameters. They are effectively private val if you use them on def or lazy val. If you do not use them at all, or only to initialize val or var, they exist only in the constructor, and are not part of the instances created.

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