SIGMA-9-JAVA-DSA-LIBRARY

Learn SIGMA - 9 JAVA DSA LIBRARY by Apna college with comprehensive video tutorials and hands-on projects.

Apna College

Meet Your Instructor: Apna-College

Apna College stands as one of India's most influential and accessible programming education platforms, founded by the visionary educator Aman Dhattarwal. With a mission to democratize quality coding education, Apna College has transformed the lives of hundreds of thousands of students through their comprehensive, career-oriented curriculum. The platform's signature Sigma series courses cover everything from foundational programming in Java and C++ to advanced MERN stack development and aptitude preparation. Apna College is renowned for breaking down complex technical concepts into simple, engaging lessons that students can follow regardless of their prior experience. Their unique teaching approach combines practical projects, real-world applications, and industry insights, ensuring students are well-prepared for both academic excellence and professional success in the competitive tech industry.

Java ProgrammingC++ ProgrammingMERN Stack

Experience: 5+ years

Students Helped: 200000+

Specialization: Complete Programming Education

Course Overview

This comprehensive course is designed to take you from foundational concepts to advanced implementation in complete programming education. You'll learn through comprehensive curriculum designed with career focus, emphasizing hands-on learning, project-based assignments, and industry-relevant skills, building real-world projects that demonstrate your skills and enhance your portfolio.

Whether you're looking to start a new career in technology or advance your current skills, this course provides the structured learning path and practical experience you need to succeed in today's competitive tech industry.

Course Curriculum

Master the fundamentals and core concepts
Build real-world projects and applications
Understand best practices and industry standards
Develop problem-solving skills
Learn debugging and testing techniques
Master object-oriented programming concepts

Course Content

1

Remove Duplicates from Sorted Array

Video 1
2

Merge Sorted Array

Video 2
3

Pascal's Triangle

Video 3
4

Missing Number

Video 4
5

Merge Two Sorted Lists

Video 5
6

Intersection of Two Linked Lists

Video 6
7

Palindromic Linked List

Video 7
8

Last Stone Weight

Video 8
9

Partition List

Video 9
10

Sum of Subarray Ranges

Video 10
11

Car Pooling

Video 11
12

Find K Closest Elements

Video 12
13

Kth Largest Element in an Array

Video 13
14

Meeting Rooms II

Video 14
15

Group Anagram

Video 15
16

All Nodes Distance K from Binary Tree

Video 16
17

Flatten Binary Tree to Linked List

Video 17
18

Minimum No. of Swaps

Video 18
19

Rotting Oranges

Video 19
20

Number of Islands

Video 20
21

Course Schedule

Video 21
22

Longest Palindromic Substring

Video 22
23

Find Good Days to Rob the Bank

Video 23
24

Jump Game

Video 24
25

Unique Paths

Video 25
26

LRU Cache

Video 26
27

Kth Smallest Pair Distance

Video 27
28

Median of Two Sorted Arrays

Video 28
29

Merge K Sorted Lists

Video 29
30

Find Median from Data Stream

Video 30
31

Race Car

Video 31
32

Longest Valid Parantheses

Video 32
33

Sign of the product of an array

Video 33
34

Palindrome Number

Video 34
35

Valid Palindrome

Video 35
36

Defanged IP Address

Video 36
37

Number of Substrings with 1s

Video 37
38

Next permutation

Video 38
39

Linked List Cycle

Video 39
40

Number of 1 bits

Video 40
41

Reverse a Linked List

Video 41
42

Generate Parentheses

Video 42
43

Delete a node Explanation

Video 43
44

Longest Substring

Video 44
45

4 Sum

Video 45
46

Valid Stack Sequence Explanation

Video 46
47

Reorganize Strings

Video 47
48

Longest Increasing Subsequence

Video 48
49

Kth row of Pascal's triangle

Video 49
50

Invert Binary Tree

Video 50
51

Longest Common Prefix

Video 51
52

Greatest Common Divisor of Strings

Video 52
53

Climbing stairs

Video 53
54

Palindrome Partitioning

Video 54
55

Rotate image-matrix

Video 55
56

Merge Intervals

Video 56
57

Word Search

Video 57
58

Permutations

Video 58
59

Sum Root to Leaf Numbers

Video 59
60

Clone graph

Video 60
61

Sort list

Video 61
62

Longest Consecutive Sequence

Video 62
63

Longest Increasing Path in a Matrix

Video 63
64

String To Integer

Video 64
65

Kth smallest element in a BST

Video 65
66

Largest Rectangle in Histogram

Video 66
67

Maximal Rectangle

Video 67
68

Find the Shortest Superstring

Video 68
69

Wildcard matching

Video 69
70

Logger Rate Limiter

Video 70
71

Single Number

Video 71
72

Arranging Coins

Video 72
73

Finding the Users Active Minutes

Video 73
74

Design a Stack With Increment Operation

Video 74
75

Design hit counter

Video 75
76

Find the City with the Smallest Number of Neighbors at a Threshold Distance

Video 76
77

Design File System

Video 77
78

Shortest bridge

Video 78
79

Rank Team By votes

Video 79
80

Top K frequent words

Video 80
81

Online election

Video 81
82

Maximum number of occurrences of a substring

Video 82
83

Find minimum in rotated sorted array

Video 83
84

Unique Path II

Video 84
85

Smallest missing non-negative integer after operations

Video 85
86

Maximum profit in job scheduling

Video 86
87

Sliding window maximum

Video 87
88

Minimum time to visit a cell in a grid

Video 88
89

Number of ways to form a target string given a dictionary

Video 89
90

Count Palindromic Subsequences

Video 90
91

Count vowels permutation

Video 91
92

Consecutive numbers sum

Video 92
93

First Unique Character in String

Video 93
94

Find Pivot Element

Video 94
95

Power of three

Video 95
96

Move Zeroes

Video 96
97

Robot return to origin

Video 97
98

K-different pairs in an Array

Video 98
99

Beautiful Arrangement

Video 99
100

Minimum Area of Rectangle

Video 100
101

Gas Station

Video 101
102

Minimum Path Sum

Video 102
103

Product of Array Except Self

Video 103
104

Minimum Window Substring

Video 104
105

Count Number of Teams

Video 105
106

Robot bounded in a circle

Video 106
107

Spiral Matrix

Video 107
108

Longest Word in Dictionary through Deleting

Video 108
109

Knight Probability in Chessboard

Video 109
110

Fraction to Recurring Decimal

Video 110
111

Shortest subarray with Sum at least K

Video 111
112

Reaching Points

Video 112
113

Last Substring in Lexicographical Order

Video 113
114

Baseball Game

Video 114
115

Shortest Distance to a Character

Video 115
116

To Lower Case

Video 116
117

Toeplitz Matrix

Video 117
118

Reverse String II

Video 118
119

Minimum index sum of two lists

Video 119
120

Remove Element

Video 120
121

Length of last word

Video 121
122

Subsets

Video 122
123

Sum of Square Numbers

Video 123
124

Equal row and column pairs

Video 124
125

Number of laser beams in a bank

Video 125
126

Determine if two strings are close

Video 126
127

Check If a String can break another String

Video 127
128

Wiggle Sort II

Video 128
129

Minimize Maximum Pair Sum in Array

Video 129
130

Minimum Number of Swaps to Make The String Balanced

Video 130
131

Triangle

Video 131
132

Maximum Area of a Piece of Cake After Horizontal And Vertical Cut

Video 132
133

Sort Colors

Video 133
134

Search a 2D Matrix

Video 134
135

Sum in a Matrix

Video 135
136

Valid Sudoku

Video 136
137

Maximum Bags With Full Capacity of Rocks

Video 137
138

Reducing dishes

Video 138
139

Unique Paths III

Video 139
140

First Missing Positive

Video 140
141

Palindrome Partitioning II

Video 141

Requirements

  • Basic computer knowledge
  • Internet connection for video streaming
  • Code editor (VS Code recommended)
  • Motivation to learn and practice

Course Features

Lifetime Access
Certificate of Completion
Mobile and Desktop Access
Downloadable Resources
Community Support

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