Recursion in Java |training | AI | Nifrwon

Here simple explain about recursion in data structure in java:
Recursion in Java, or in any programming language, is a concept where a method calls itself to solve a problem. It's like a function or method looking into a mirror and seeing itself, then asking the reflection to help it solve a smaller version of the same problem.

Here's a simple explanation using an example:

Imagine you have a big box of Lego pieces, and you want to count how many pieces are in the box. You could start by looking at each piece one by one, but that might take a long time if there are a lot of pieces. Instead, you can use recursion:

Take out one piece from the box and put it aside.
Now, look back into the box. If there are still pieces inside, repeat steps 1 and 2 (this is the recursive part).
Keep doing this until there are no more pieces left in the box.
Once the box is empty, count how many pieces you put aside. That's your answer.
In Java, a recursive method is defined just like any other method, but it calls itself within its own body to solve a smaller version of the same problem.
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