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Kotlin: 100 Simple Codes
Kotlin: 100 Simple Codes beginner-friendly collection of easy-to-understand Kotlin examples. Each code snippet is designed to help you learn programming concepts step by step, from basic syntax to simple projects. Perfect for students, self-learners, and anyone who wants to practice Kotlin in a fun and practical way. Codes: 1. Hello World 2. Variables and Constants 3. If-Else Statement 4. When Statement (Switch) 5. For Loop 6. While Loop 7. Functions 8. Return Value from Function 9. Array Example 10. List Example === 11. Mutable List 12. Map Example 13. Mutable Map 14. Class Example 15. Constructor with Default Value 16. Nullable Variable 17. Safe Call Operator 18. Elvis Operator 19. Data Class 20. Loop with Index === 21. Lambda Function 22. Higher-Order Function 23. Filter a List 24. Map a List 25. String Interpolation 26. String Templates with Expressions 27. Read-Only vs Mutable List 28. Check Element in List 29. Exception Handling 30. Null Check with let === 31. For Loop with Step 32. For Loop in Reverse 33. Break in Loop 34. Continue in Loop 35. Check String Empty or Not 36. Compare Two Numbers 37. Array Access by Index 38. Loop Through Map 39. Default Parameters in Function 40. Named Arguments === 41. Range Check 42. Function Returning Unit 43. Multiple Return Statements 44. Chained Method Calls 45. Function Inside Function 46. Function Expression Syntax 47. Array Size 48. String to Int Conversion 49. Safe String to Int Conversion 50. Repeat Block === 51. Sealed Class 52. Object Expression (Anonymous Object) 53. Singleton using Object Keyword 54. Extension Function 55. Enum Class 56. Use Enum in When Statement 57. Type Alias 58. Destructuring Declarations 59. Companion Object 60. Simple Interface Implementation === 61. Abstract Class 62. Lateinit Variable 63. Initialization Block 64. Secondary Constructor 65. Nested Class 66. Inner Class 67. Generic Function 68. Generic Class 69. Custom Getter 70. Custom Setter === 71. String Equality 72. Loop with Range Until 73. Using Pair 74. Triple Example 75. Check Type with is 76. Smart Cast 77. Type Casting with as 78. Safe Casting with as? 79. Loop Through Characters of String 80. Sum of List === 81. Min and Max of List 82. Sort List 83. Reverse List 84. Count Items in List 85. All / Any Conditions 86. Check if List is Empty 87. Join List to String 88. Take and Drop 89. Zipping Lists 90. Unzipping Pairs === 91. Chunked List 92. Windowed List 93. Flatten List 94. FlatMap 95. Remove Duplicates 96. Group By 97. Associate By 98. Measure Execution Time 99. Repeat with Index 100. Create Range and Convert to List ===
Kotlin: 100 Simple Codes
beginner-friendly collection of easy-to-understand Kotlin examples.
Each code snippet is designed to help you learn programming concepts step by step, from basic syntax to simple projects. Perfect for students, self-learners, and anyone who wants to practice Kotlin in a fun and practical way.
Codes:
1. Hello World
2. Variables and Constants
3. If-Else Statement
4. When Statement (Switch)
5. For Loop
6. While Loop
7. Functions
8. Return Value from Function
9. Array Example
10. List Example
===
11. Mutable List
12. Map Example
13. Mutable Map
14. Class Example
15. Constructor with Default Value
16. Nullable Variable
17. Safe Call Operator
18. Elvis Operator
19. Data Class
20. Loop with Index
===
21. Lambda Function
22. Higher-Order Function
23. Filter a List
24. Map a List
25. String Interpolation
26. String Templates with Expressions
27. Read-Only vs Mutable List
28. Check Element in List
29. Exception Handling
30. Null Check with let
===
31. For Loop with Step
32. For Loop in Reverse
33. Break in Loop
34. Continue in Loop
35. Check String Empty or Not
36. Compare Two Numbers
37. Array Access by Index
38. Loop Through Map
39. Default Parameters in Function
40. Named Arguments
===
41. Range Check
42. Function Returning Unit
43. Multiple Return Statements
44. Chained Method Calls
45. Function Inside Function
46. Function Expression Syntax
47. Array Size
48. String to Int Conversion
49. Safe String to Int Conversion
50. Repeat Block
===
51. Sealed Class
52. Object Expression (Anonymous Object)
53. Singleton using Object Keyword
54. Extension Function
55. Enum Class
56. Use Enum in When Statement
57. Type Alias
58. Destructuring Declarations
59. Companion Object
60. Simple Interface Implementation
===
61. Abstract Class
62. Lateinit Variable
63. Initialization Block
64. Secondary Constructor
65. Nested Class
66. Inner Class
67. Generic Function
68. Generic Class
69. Custom Getter
70. Custom Setter
===
71. String Equality
72. Loop with Range Until
73. Using Pair
74. Triple Example
75. Check Type with is
76. Smart Cast
77. Type Casting with as
78. Safe Casting with as?
79. Loop Through Characters of String
80. Sum of List
===
81. Min and Max of List
82. Sort List
83. Reverse List
84. Count Items in List
85. All / Any Conditions
86. Check if List is Empty
87. Join List to String
88. Take and Drop
89. Zipping Lists
90. Unzipping Pairs
===
91. Chunked List
92. Windowed List
93. Flatten List
94. FlatMap
95. Remove Duplicates
96. Group By
97. Associate By
98. Measure Execution Time
99. Repeat with Index
100. Create Range and Convert to List
===
