Programming Language Learning Template

When learning a new programming language, it’s helpful to have a structured template covering essential concepts. Below is a template you can use to organize your notes when learning any programming language.


Variable

Declaration

How to declare variables

Use

How to use variables


Operator

Arithmetic

+, -, *, /, %, etc.

Comparison

==, !=, <, >, <=, >=, etc.

Logical Operator

&&, ||, !, etc.

Assignment Operator

=, +=, -=, etc.


Number

Parse To Number

Converting strings to numbers

Check Number

Validating if a value is a number

Convert

Converting between number types


String

Get Character

Accessing individual characters

Substring

Extracting parts of strings

Concatenation

Joining strings together

Methods

Common string methods (length, replace, split, trim, etc.)


Array

Declaration

How to create arrays

Get

Accessing array elements

Set

Modifying array elements

Sub Array

Extracting portions of arrays

Concatenation

Combining arrays

Methods

Common array methods (push, pop, map, filter, reduce, etc.)


Map (Dictionary/Hash)

Declaration

How to create maps

Get

Retrieving values by key

Set

Adding or updating key-value pairs

Concatenation

Merging maps


Control Flow

If Statement

Conditional execution

For Loop

Iterating over ranges or collections


Function

Declaration

How to define functions

Use

How to call functions


Exception Handling

Use

Try-catch-finally patterns

Error Info

Accessing error details


Import

Import

Importing modules/packages

Use

Using imported items


Comment

Single-line and multi-line comment syntax


Casting

Type conversion between different types


Expression

Expression vs statement differences


Range

Range operators and iteration


How to Use This Template

  1. Copy this template for each new language you learn
  2. Fill in examples specific to that language
  3. Add notes about unique features or gotchas
  4. Compare with languages you already know
  5. Practice by writing small programs using each concept