Channi Studies

Since I've started to use Obsidian for summarizing my leranings, I will upload the PDF of the note in this blog from now on. Open in new tab

Let's try implementing a Stack in Java using IntNode. The structure of IntNode looks like this: private static class IntNode() { int val; IntNode next; IntNode(int val, IntNode next) { this.val = val; this.next = next; }} We're going to put this private static IntNode class into the Stack class. We call it nested classes, and there are times when we should declare it a..

This Jupyter Notebook file tells you about the numpy array (numpy.ndarray) basics. Creating different shaped array, reshaping, random array, array indexing, etc.

To create an ArrayList (or LinkedList) in Java, you can do as following:import java.util.ArrayList;import java.util.List;public class Main { public static void main(String[] args) { List myList = new ArrayList(); myList.add(10); myList.add("Go"); myList.add(false); System.out.println(myList); // [10, Go, false] }}If we do not specify the type of the eleme..