Oracle Interview Questions – Data Structures & Algorithms

Course Curriculum

Chapter 1: Best Time To Buy And Sell A Stock – Array

Lecture 1: Best Time To Buy And Sell A Stock – Java Solution

Lecture 2: Best Time To Buy And Sell A Stock – Javascript Solution

Lecture 3: Best Time To Buy And Sell A Stock – C++ Solution

Lecture 4: Best Time To Buy And Sell A Stock – Python Solution

Chapter 2: Maximum Sum Subarray – Arrays

Lecture 1: Maximum Sum Subarray – Java Solution

Lecture 2: Maximum Sum Subarray – Javascript Solution

Lecture 3: Maximum Sum Subarray – C++ Solution

Lecture 4: Maximum Sum Subarray – Python Solution

Chapter 3: Jump Game – Arrays

Lecture 1: Jump Game – Java Solution

Lecture 2: Jump Game – Javascript Solution

Lecture 3: Jump Game – C++ Solution

Lecture 4: Jump Game – Python Solution

Chapter 4: Product Of Array Except Self – Arrays

Lecture 1: Product Of Array Except Self – Java Solution

Lecture 2: Product Of Array Except Self – Javascript Solution

Lecture 3: Product Of Array Except Self – C++ Solution

Lecture 4: Product Of Array Except Self – Python Solution

Chapter 5: Trapping Rain Water – Arrays

Lecture 1: Trapping Rain Water – Java Solution

Lecture 2: Trapping Rain Water – Javascript Solution

Lecture 3: Trapping Rain Water – C++ Solution

Lecture 4: Trapping Rain Water – Python Solution

Chapter 6: Group Anagrams – Sorting

Lecture 1: Group Anagrams – Java Solution

Lecture 2: Group Anagrams – Javascript Solution

Lecture 3: Group Anagrams – C++ Solution

Lecture 4: Group Anagrams – Python Solution

Chapter 7: Longest Substring Without Repeating Characters – Sliding Window Method

Lecture 1: Longest Substring Without Repeating Characters – Java Solution

Lecture 2: Longest Substring Without Repeating Characters – Javascript Solution

Lecture 3: Longest Substring Without Repeating Characters – C++ Solution

Lecture 4: Longest Substring Without Repeating Characters – Python Solution

Chapter 8: Intersection Of Two Linked Lists – Linked List

Lecture 1: Intersection Of Two Linked Lists – Java Solution

Lecture 2: Intersection Of Two Linked Lists – Javascript Solution

Lecture 3: Intersection Of Two Linked Lists – C++ Solution

Lecture 4: Intersection Of Two Linked Lists – Python Solution

Chapter 9: Linked List Cycle – Linked List

Lecture 1: Linked List Cycle – Java Solution

Lecture 2: Linked List Cycle – Javascript Solution

Lecture 3: Linked List Cycle – C++ Solution

Lecture 4: Linked List Cycle – Python Solution

Chapter 10: Valid Paranthesis – Stacks

Lecture 1: Valid Paranthesis – Java Solution

Lecture 2: Valid Paranthesis – Javascript Solution

Lecture 3: Valid Paranthesis – C++ Solution

Lecture 4: Valid Paranthesis – Python Solution

Chapter 11: Merge Intervals – Stacks

Lecture 1: Merge Intervals – Java Solution

Lecture 2: Merge Intervals – Javascript Solution

Lecture 3: Merge Intervals – C++ Solution

Lecture 4: Merge Intervals – Python Solution

Chapter 12: Two Sum – Hash Table

Lecture 1: Two Sum – Java Solution

Lecture 2: Two Sum – Javascript Solution

Lecture 3: Two Sum – C++ Solution

Lecture 4: Two Sum – Python Solution

Chapter 13: Binary Tree Level Order Traversal – Binary Trees

Lecture 1: Binary Tree Level Order Traversal – Java Solution

Lecture 2: Binary Tree Level Order Traversal – Javascript Solution

Lecture 3: Binary Tree Level Order Traversal – C++ Solution

Lecture 4: Binary Tree Level Order Traversal – Python Solution

Chapter 14: Kth Largest Element In An Array – Heaps

Lecture 1: Kth Largest Element In An Array – Java Solution

Lecture 2: Kth Largest Element In An Array – Javascript Solution

Lecture 3: Kth Largest Element In An Array – C++ Solution

Lecture 4: Kth Largest Element In An Array – Python Solution

Chapter 15: Climbing Stairs – Dynamic Programming

Lecture 1: Climbing Stairs – Java Solution

Lecture 2: Climbing Stairs – Javascript Solution

Lecture 3: Climbing Stairs – C++ Solution

Lecture 4: Climbing Stairs – Python Solution

Chapter 16: Longest Increasing Subsequence – Dynamic Programming

Lecture 1: Longest Increasing Subsequence – Java Solution

Lecture 2: Longest Increasing Subsequence – Javascript Solution

Lecture 3: Longest Increasing Subsequence – C++ Solution

Lecture 4: Longest Increasing Subsequence – Python Solution

Chapter 17: Number Of Islands – Graph Traversal

Lecture 1: Number Of Islands – Java Solution

Lecture 2: Number Of Islands – Javascript Solution

Lecture 3: Number Of Islands – C++ Solution

Lecture 4: Number Of Islands – Python Solution

Chapter 18: Subsets – Backtracking

Lecture 1: Subsets – Java Solution

Lecture 2: Subsets – Javascript Solution

Lecture 3: Subsets – C++ Solution

Lecture 4: Subsets – Python Solution