1 Background Part 1(IO Device ,CPU and Memory) (121.93 MB)
2 Background Part 2 (Computer Organization) (71.4 MB)
3 Why Do We Need Programming Languages (73.37 MB)
4 Introduction to Java (205.09 MB)
5 Writing First Program in Java (222.41 MB)
1 Class and Objects in Java (222.88 MB)
2 Constructors (72.44 MB)
3 This Reference (104.46 MB)
4 Class Members and Access Specifiers (234.91 MB)
5 Static Members (200.17 MB)
6 Final Keyword (230.06 MB)
1 Class and Objects in Java (223.95 MB)
10 More on Java Inheritances (78.88 MB)
11 Polymorphism in Java (193.57 MB)
12 Method Overriding in Java (187.69 MB)
13 More on Method Overriding (111.06 MB)
14 Abstraction in Java (110.11 MB)
15 Abstract Classes in Java (144.13 MB)
16 Interface in Java (160.74 MB)
17 Interfaces vs Abstract Classes (125.74 MB)
18 OOP Quiz Part 1 (93.16 MB)
19 OOP Quiz Part 2 (65.71 MB)
2 Encapsulation in Java (175.37 MB)
3 Access Modifiers in Java (247.72 MB)
4 This Reference (104.41 MB)
5 Final Keyword (229.96 MB)
6 Static Members (200.07 MB)
7 Constructors (72.35 MB)
8 Inheritance in Java (217.97 MB)
9 Super keyword in Java (150.24 MB)
1 ArrayList in Java (108.99 MB)
2 Java ArrayList Methods (315.37 MB)
3 ArrayList Working (347.13 MB)
4 Java ArrayList Traversal (224.71 MB)
5 Separate Even And Odd (128.16 MB)
6 Get Smaller Elements (149.23 MB)
1 BigInteger Introduction (241.8 MB)
10 Exception Handling using Throw and Throws (52.71 MB)
11 Multiple Exceptions (54.36 MB)
12 User Defined Exceptions (97.24 MB)
13 Multithreading Introduction (136.34 MB)
14 Multithreading in Java (136.08 MB)
15 File Handling (156.87 MB)
16 Create and Get Information (94.58 MB)
17 Reading and Writing in a File (78.13 MB)
2 Fibonacci numbers using BigIntegers (134.91 MB)
3 Check for Prime and Next Prime (81.92 MB)
4 Method References in Java (160.81 MB)
5 Exception Handling (introduction) (218.57 MB)
6 Exception Hierarchy in Java (116.14 MB)
7 Overview of Exception Handling In Java (161.7 MB)
8 Exception Handling using Try Catch (65.96 MB)
9 Method Call Stack and Exceptions (76 MB)
1 Java Collections Framework (190.98 MB)
2 Collection Hierarchy (381.79 MB)
3 Generics in Java (255.79 MB)
4 Wildcard in Generics (287.34 MB)
5 Collection Interface (160.35 MB)
6 Iterator in Java (201.36 MB)
7 toArray() Method (262.2 MB)
8 Collection Bulk Operations (316.6 MB)
9 Iterating Through Collections (296.45 MB)
1 Lambda Expressions (238.19 MB)
2 Lambda Expressions Syntax (328.9 MB)
3 Method References in Java (161.27 MB)
1 Stream in Java (173.97 MB)
2 Stream Applications (82.25 MB)
3 Stream Hierarchy and Methods (125.66 MB)
4 Java Stream Examples (236.75 MB)
1 List Interface in Java (178.49 MB)
2 ListIterator in Java (212.86 MB)
3 ArrayList in Java (108.77 MB)
4 ArrayList Working (346.55 MB)
5 Java ArrayList Methods (315.18 MB)
6 Java ArrayList Traversal (224.63 MB)
7 Sample Problems - List of smaller elements in Java (86.97 MB)
1 LinkedList in Java (494.79 MB)
2 Josephus Problem using LinkedList in Java (206.63 MB)
3 Design A DS for Remove and Print (141.48 MB)
1 Stack in Java Collections (114.73 MB)
2 Sample Problem - Reverse order of items in Java (161.32 MB)
3 Sample Problem - Check for balanced parenthesis in Java (252.56 MB)
4 Sample Problem - Stock span problem in Java (614.09 MB)
5 Sample Problem - Previous greater element in Java (240.19 MB)
6 Sample Problem - Next greater element in Java (275.42 MB)
7 Sample Problem Design a Stack that supports getMin() operation (194.82 MB)
1 Variables and Primitive DataTypes (328.54 MB)
2 Non Primitive DataTypes (190.34 MB)
3 Swap two Numbers (100.95 MB)
4 Wrapper Classes (89.52 MB)
5 Autoboxing and Unboxing in Java (64.69 MB)
6 Type Conversion in Java (133.24 MB)
1 Queue in Java (269.05 MB)
2 Sample Problem - Reverse first K items of a queue in Java 32 Report (142.52 MB)
3 Sample Problem - Generate numbers with given digits in Java 18 Report (153.36 MB)
1 Deque in Java (173.31 MB)
2 ArrayDeque in Java (450.88 MB)
3 Design A data structure with minmax operations in Java (147.7 MB)
4 Sample Problem - Maximums in subarrays of size K in Java (431.49 MB)
1 PriorityQueue in Java (51.57 MB)
2 Sample Problem - Purchasing maximum items in Java (109.09 MB)
3 Sample Problem - K Largest Elements in Java (268.39 MB)
4 Sample Problem - Find K most frequent elements (226.33 MB)
5 Sample Problem - Find K most frequent in linear time in Java (324.97 MB)
1 Set Interface In Java (258.2 MB)
2 HashSet in Java (160.97 MB)
3 LinkedHashSet (141.72 MB)
4 Sample Problem - Print Distinct Elements in Java (150.33 MB)
5 Sample Problem - Print Repeating elements in Java (130.63 MB)
6 Sample Problem - Intersection in Java (142.12 MB)
7 Sample Problem - Pair Sum in Java (137.3 MB)
1 TreeSet In java (130.38 MB)
2 Sample Problem - Ceiling on right in Java 28 Report (248.17 MB)
1 Map interface in Java (212.49 MB)
2 Map Interface Methods In Java (224.86 MB)
3 HashMap in Java (160.33 MB)
4 LinkedHashMap (275.26 MB)
5 Sample Problem - DS for Balance in Java (180.27 MB)
6 Sample Problem - Frequencies in Array in Java (237.64 MB)
7 Sample Problem - Print Frequencies in an Order (197.22 MB)
1 TreeMap in Java (138.07 MB)
2 Design A DS For item prices (234.54 MB)
3 Design A DS for prices Duplicates Allowed (327.68 MB)
4 Sample Problem - Count Greater Elements in Java (229.04 MB)
1 String in Java (332.55 MB)
2 StringBuilder and StringBuffer (87.76 MB)
3 StringBuilder and StringBuffer Methods (191.65 MB)
4 Sample Problem - Pangram Checking in Java (121.87 MB)
5 Java Sample Problem - Pattern Searching (177.83 MB)
6 Sample Problem - Find one extra character in Java (264.86 MB)
7 Check for Anagram (157.7 MB)
1 Comparable interface (140.72 MB)
2 Comparator Interface (150.54 MB)
3 Comparator Methods and Examples 21 Report (119.61 MB)
1 Arrays Class in Java (188.42 MB)
2 fill() in Java (128.41 MB)
3 Binary search in Java (276.58 MB)
4 Arrays equals() (141.28 MB)
5 Arrays mismatch() (142.01 MB)
6 Arrays compare() (128.24 MB)
7 Arrays aslist() in Java (133.58 MB)
8 Arrays toString() in Java (91.24 MB)
9 Median of a Row Wise Sorted Matrix Java (288.96 MB)
1 Input in Java (186.38 MB)
2 Output in Java (208.62 MB)
3 Escape Sequences in Java (112.04 MB)
1 Collections Class in Java (254.48 MB)
2 Collections fill() in Java (56.22 MB)
3 Collections reverse() in Java (48.76 MB)
4 Collections binarySearch in Java (182.67 MB)
5 Collections max and min In Java (161.14 MB)
6 Collections frequency() in Java (180.67 MB)
1 Sorting in Java (111.47 MB)
10 Sort Elements by Frequency in Linear time (287.27 MB)
11 Sample Problem - Meeting Maximum Guests in Java (249.46 MB)
2 Arrays sort in Java (218.44 MB)
3 Collections Sort in Java (138.55 MB)
4 Sample Problem - The Thief Problem in Java (96.57 MB)
5 Sample Problem - Chocolate distribution problem in Java (240.16 MB)
6 Sample Problem - Keeping indexes after sorting in Java (122.3 MB)
7 Sample Problem - Sort an array according to other in Java (149.83 MB)
8 Sample Problem - Sort students by marks in Java (111.56 MB)
9 Sample Problem - Sort elements by frequency in Java (178.95 MB)
1 Operators in Java (253.55 MB)
2 Bitwise Operators in Java (Part 1) (86.86 MB)
3 Bitwise Operators in Java (Part 2) (230.5 MB)
4 Bitwise Operators in Java (Part 3) (159.03 MB)
5 Sum of N Natural Numbers (123.23 MB)
6 Find Last Digit of A Number (82.05 MB)
7 Days Before N Days (128.15 MB)
8 Find nth term of an Arithmetic Progression (112.96 MB)
9 Find nth term of an Geometric Progression (136.54 MB)
1 If Else Statements (250.91 MB)
2 Switch Statement (114.62 MB)
3 Even Odd Numbers (82.59 MB)
4 Largest of Three Numbers (99.09 MB)
5 Leap Year (98.75 MB)
6 Calculator (93.9 MB)
1 Loop Statements (152.99 MB)
10 Square Pattern (78.37 MB)
11 Pyramid Pattern (197.89 MB)
12 Factorial of A Number (115.98 MB)
13 GCD of 2 Numbers (159.66 MB)
14 LCM of 2 Numbers (128.7 MB)
15 All Divisors Of A Number (133.06 MB)
16 Check for Prime (311.31 MB)
17 Fibonacci Numbers (219.84 MB)
2 While Loop (186.66 MB)
3 Do While Loop (71.28 MB)
4 Break and Continue (234.6 MB)
5 Count Digits (90.74 MB)
6 Table of A Number (125.84 MB)
7 Patterns (199.25 MB)
8 Triangular Pattern (143.51 MB)
9 Inverted Triangle (232.84 MB)
1 Functions in Java (342.38 MB)
2 Applications of Functions (103.24 MB)
3 Command Line Arguments in Java (82.84 MB)
4 First Digit of a Number (175.4 MB)
5 Prime Factorization (243.58 MB)
1 Arrays in Java introduction (184.57 MB)
2 [ ]a vs a[ ] in Java (53.14 MB)
3 Array Working and Types (290.88 MB)
4 Multidimensional Arrays in Java (162.79 MB)
5 Check if Array is Sorted (136.32 MB)
6 Count Distinct Elements (250.57 MB)
7 Maximum in an Array (127.75 MB)
8 Sum of an Array (74.64 MB)
9 Find Average (152.44 MB)
1 Strings in Java (331.83 MB)
10 Reverse A String (108.4 MB)
11 String Decimal To Binary (150.38 MB)
12 String Binary To Decimal (246.16 MB)
13 Pattern Searching (174.24 MB)
2 String Operations (150.49 MB)
3 StringBuffer and StringBuilder (87.43 MB)
4 StringBuffer and StringBuilder Methods (192.07 MB)
5 Sample Problem - Pangram Checking in Java (121.93 MB)
6 Java Sample Problem - Pattern Searching (177.21 MB)
7 Sample Problem - Find one extra character in Java (265.14 MB)
8 Check for Anagram (158.62 MB)
9 Check For Palindrome (212.82 MB)