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Classroom Contents
Introduction to Arrays and ArrayList in Java
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- 1 Introduction
- 2 Why we need Arrays?
- 3 What is an Array?
- 4 Syntax of an Array
- 5 Direct hit Program : Store 5 Roll Numbers
- 6 How does Array works?
- 7 Internal Working of an Array
- 8 Dynamic Memory Allocation
- 9 Internal Representation of Array
- 10 Continuity of an Array
- 11 Index of an Array
- 12 String Array
- 13 What is null in Java?
- 14 null is used as a default
- 15 Array Input
- 16 for-each loop
- 17 toString Method
- 18 Array of Objects
- 19 Storage of Objects in Heap
- 20 Array Passing in Function
- 21 Multidimensional Arrays
- 22 Syntax of a 2D Array
- 23 Internal Working of a 2D Array
- 24 2D Array Input
- 25 2D Array Output
- 26 Dynamic Arrays
- 27 Array Functions
- 28 Internal Working of ArrayList
- 29 Questions
- 30 Q1 : Swaping Values in an Array
- 31 Q2 : Maximum Value of an Array
- 32 Q3 : Reversing an Array
- 33 Outro
