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📚50 Java Concepts Every Developer Should Know: The Perfect Guide Every Java Developer Needs to Get Started (2023)
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Complete DSA Roadmap🔥
|
|-- Basic_Data_Structures
| |-- Arrays
| |-- Strings
| |-- Linked_Lists
| |-- Stacks
| └─ Queues
|
|-- Advanced_Data_Structures
| |-- Trees
| | |-- Binary_Trees
| | |-- Binary_Search_Trees
| | |-- AVL_Trees
| | └─ B-Trees
| |
| |-- Graphs
| | |-- Graph_Representation
| | | |- Adjacency_Matrix
| | | └ Adjacency_List
| | |
| | |-- Depth-First_Search
| | |-- Breadth-First_Search
| | |-- Shortest_Path_Algorithms
| | | |- Dijkstra's_Algorithm
| | | └ Bellman-Ford_Algorithm
| | |
| | └─ Minimum_Spanning_Tree
| | |- Prim's_Algorithm
| | └ Kruskal's_Algorithm
| |
| |-- Heaps
| | |-- Min_Heap
| | |-- Max_Heap
| | └─ Heap_Sort
| |
| |-- Hash_Tables
| |-- Disjoint_Set_Union
| |-- Trie
| |-- Segment_Tree
| └─ Fenwick_Tree
|
|-- Algorithmic_Paradigms
| |-- Brute_Force
| |-- Divide_and_Conquer
| |-- Greedy_Algorithms
| |-- Dynamic_Programming
| |-- Backtracking
| |-- Sliding_Window_Technique
| |-- Two_Pointer_Technique
| └─ Divide_and_Conquer_Optimization
| |-- Merge_Sort_Tree
| └─ Persistent_Segment_Tree
|
|-- Searching_Algorithms
| |-- Linear_Search
| |-- Binary_Search
| |-- Depth-First_Search
| └─ Breadth-First_Search
|
|-- Sorting_Algorithms
| |-- Bubble_Sort
| |-- Selection_Sort
| |-- Insertion_Sort
| |-- Merge_Sort
| |-- Quick_Sort
| └─ Heap_Sort
|
|-- Graph_Algorithms
| |-- Depth-First_Search
| |-- Breadth-First_Search
| |-- Topological_Sort
| |-- Strongly_Connected_Components
| └─ Articulation_Points_and_Bridges
|
|-- Dynamic_Programming
| |-- Introduction_to_DP
| |-- Fibonacci_Series_using_DP
| |-- Longest_Common_Subsequence
| |-- Longest_Increasing_Subsequence
| |-- Knapsack_Problem
| |-- Matrix_Chain_Multiplication
| └─ Dynamic_Programming_on_Trees
|
|-- Mathematical_and_Bit_Manipulation_Algorithms
| |-- Prime_Numbers_and_Sieve_of_Eratosthenes
| |-- Greatest_Common_Divisor
| |-- Least_Common_Multiple
| |-- Modular_Arithmetic
| └─ Bit_Manipulation_Tricks
|
|-- Advanced_Topics
| |-- Trie-based_Algorithms
| | |-- Auto-completion
| | └─ Spell_Checker
| |
| |-- Suffix_Trees_and_Arrays
| |-- Computational_Geometry
| |-- Number_Theory
| | |-- Euler's_Totient_Function
| | └─ Mobius_Function
| |
| └─ String_Algorithms
| |-- KMP_Algorithm
| └─ Rabin-Karp_Algorithm
|
|-- Online_Judges_and_Practice_Platforms
| |-- LeetCode
| |-- HackerRank
| |-- CodeChef
| |-- Codeforces
| └─ HackerEarth
|
└─ Interview_Preparation
|-- Commonly_Asked_DSA_Interview_Questions
|-- Mock_Interviews
|-- Problem-Solving_Strategies
|-- Time_and_Space_Complexity_Analysis
└─ Coding_Patterns_and_Techniques

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------------------- END -------------------

Coding Platforms

• LeetCode
• HackerRank
• CodeChef
• GeeksforGeeks
• TopCoder

Book shared in resources channel

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Book shared in resources channel

Name: Web Design Playground - HTML and CSS the Interactive Way - Paul McFedries (Manning, 2019)

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Magazine Shared

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What will be the output

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In Python the comma without any operator or function separating it, is interpreted as a tuple creation, so 1,2 + 3,4 is interpreted as 1,2+3,4 which results in (1,5,4)

Answer: Exception

Solution:
class TV:
pass
creates a new data type called TV.

pass is just a no-operation statement, it doesn't add any data or functionality to the class.

Hence, this data type does not contain any attributes or functionality

obj = TV()
creates a new object named obj, of the data type TV.

obj.price = 200
creates a new variable named price, within obj.
The value of this variable is set to 200.

Finally, we have
print(self.price)

But there is no object named self here!

Hence, we get an Exception stating that there is nothing called self.

But you'd have seen self in other programs elsewhere.

self is not a keyword or pre-defined variable in Python.

It is simply a convention to use self WITHIN methods to denote

the first parameter of the method.

The first parameter of a method is is the object through which the method was invoked.

Eg.
a = [1,2,3]
then
a.append(5)
is equivalent to
list.append(a, 5)

So here, a is implicitly passed to the method append.

The name self is

conventionally used to refer to the implicit argument passed in methods.

Otherwise, the word self has no special meaning in Python.

Hence, the code in the question gives an error, because self is not defined before use.

I hope this helped!

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Book on unreal engine

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Java_ The Complete Reference-McGraw Hill (2024) 13th edition pdf

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Python pandas and python loops pdf

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Asp.net core 7 book pdf

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