• 60 小时学习时长
  • 4次测试
  • 230道高频习题
  • 8种常见算法详解
  • 1项固定服务+1项选定服务

课程大纲

(Optional) Week 1: Introduction to Java Programming

An overview of Java basics, covering syntax, methods, and fundamental concepts in programming.
Day 1: Orientation
Introduction to the course, setting up the development environment, and overview of Java programming.
Day 2: Java Intro
Learn Java syntax, the main method, and fundamental computing principles.
Day 3: Variables and Data Storage
Introduction to variables, primitive data types, and memory storage in Java.
Day 4: Control Flow
Understand and implement conditional statements and loops for controlling program flow.
Day 5: Java Methods
Explore methods: reusability, modifiers, execution flow, and method overloading.

(Optional) Week 2: Object-Oriented Programming and Collections

Focus on Java object-oriented principles and working with collections.
Day 6: Java Objects
Learn about Java objects and key OOP principles such as Encapsulation, Inheritance, and Polymorphism.
Day 7: String and Array Manipulation
Understand basic string and array operations, reinforcing Week 1's knowledge.
Day 8: Collection I - List, Array, Map, Set
Explore lists, arrays, maps, and sets, focusing on CRUD operations and understanding time complexities.
Day 9: Collection II - Stack, Queue, Heap
Deep dive into stack, queue, and heap data structures and their applications.
Day 10: Practice Session
Build a hands-on project: Develop a hotel management system using Java.

Week 3: Introduction to Data Structure and Algorithms

Focus on Two Pointers, Binary Search, and Linked Lists.
Day 11: Two Pointers - 1
Introduction to two-pointer techniques and their real-world applications.
Day 12: Binary Search - 1
Master binary search algorithms for searching sorted and unsorted data collections.
Day 13: Practice Session
Solve popular interview problems related to two-pointer and binary search techniques.
Day 14: Linked Lists
Learn linked list basics, operations, and solve problems like reversing a linked list.
Day 15: Map & Set
Review map and set data structures with relevant interview questions and problem-solving.

Week 4: Advanced Data Structures

Explore stacks, queues, heaps, and trees, with a focus on interview problems.
Day 16: Stack & Queue
Recap stack and queue operations, and explore algorithmic applications.
Day 17: Heap & Sweeping Line
Understand heaps and the sweeping line algorithm for solving geometric problems.
Day 18: Tree - 1
Introduction to trees and basic tree traversal algorithms.
Day 19: Tree - 2
Deep dive into Binary Search Trees (BSTs) and tree modifications.
Day 20: Practice Session
Solve problems using stack, queue, heap, and tree algorithms.

Week 5: Graphs and Depth-First Search (DFS)

Master graph theory and DFS techniques for solving complex problems.
Day 21: Graph & BFS - 1
Introduction to graph algorithms with breadth-first search (BFS) and level-order traversal.
Day 22: Graph & BFS - 2
Topological sort and shortest path algorithms in simple graphs.
Day 23: Practice Session
Solve graph/tree-related interview problems, applying BFS and DFS techniques.
Day 24: DFS - 1
Learn DFS definitions and techniques, including recursion and backtracking.
Day 25: DFS - 2
Dive into medium-level DFS problems, such as subset generation and word search.

Week 6: Advanced Depth-First Search (DFS)

Introduce DP concepts and solve problems using memorization and bottom-up approaches.
Day 26: DFS - 3
Explore graph-based DFS problems and learn when to choose between DFS and BFS.
Day 27: Practice Session
Solve DFS-related problems, comparing different DFS and BFS solutions.
Day 28: Two Pointers & Binary Search - 2
Learn advanced two-pointer and binary search techniques for partitioning and range queries.
Day 29: DP
Introduction to Dynamic Programming (DP) and problem-solving strategies using both top-down and bottom-up approaches.
Day 30: Practice Session
Solve DP problems, focusing on interview questions and real-world applications.
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