Kotlin - Property initialization using “by lazy” vs. “lateinit”

Question

In Kotlin if you don\'t want to initialize a class property inside the constructor or in the top of the class body, you have basically these two options (from the language r

Answer 1

Very Short and concise Answer

lateinit: It initialize non-null properties lately

Unlike lazy initialization, lateinit allows the compiler to recognize that the value of the non-null property is not stored in the constructor stage to compile normally.

lazy Initialization

by lazy may be very useful when implementing read-only(val) properties that perform lazy-initialization in Kotlin.

by lazy { ... } performs its initializer where the defined property is first used, not its declaration.