data-structures-algorithms

DSA in Python and Java

Coding Profile

• leetcode.com/himanshujaindev

Installation and Setup

1. Download JDK - here

❯ javac -version
javac 24

❯ java -version
java version "24" 2025-03-18
Java(TM) SE Runtime Environment (build 24+36-3646)
Java HotSpot(TM) 64-Bit Server VM (build 24+36-3646, mixed mode, sharing)

❯ python3 --version
Python 3.9.6

❯ alias py_activate
py_activate='python3 -m venv ~/pyenv && source ~/pyenv/bin/activate && pip3 list'

2. VS Code Extension - java, py-format

3. Enable Format on Save option
4. Update Keyboard shortcut:
   a. Start Debugging = ⌘+'
   b. Run Without Debugging = ⌘+⏎
   (Applicable for java and py)
5. Set git user:

git config --global --edit
(filename: ~/.gitconfig)
git commit --amend --reset-author
git config --global user.name
git config --global user.email
git log
Author: himanshujaindev <[email protected]>

Folder Structure

brew install tree

(tree -P '*.java|*.py') | sed '1s/^/```\n/' | sed '$a\
```' > FILES.md

Keyboard Shortcuts (VSCode)

1. Format: ⌘+S
2. Debug: ⌘+'
3. Run: ⌘+⏎

Todo Before Commit

• Format the document
• Update the directory tree
• Follow the naming convention

Naming Convention

• Folder Name = Upper Camel Case -> DataStructures
• File Name | Class Name = Small Underscore Case -> min_heap.java
• Method Name | Variable Name = Small Camel Case -> printHeap()

Resources

1. https://neetcode.io/practice