CS125 Quiz Prep Spring21

Contributors: Chengze Shen, Charlotte Lambert, Naina Balepur, Harsh Deep, Rohan Khatu, Ahmed Hasan, Alex Gong, Anisha Raja

Welcome to Quiz Prep weekly sessions for CS 125. These run 5 times a week at the timings (with zoom links) posted on the calendar

See also

• CS 199 EMP: Even More Practice for more review slides and practice problems. Live sessions every Tuesday and Friday twice a day. Signing up for the class is not required. It's three problems per session along with concept review based on popular vote and answers are provided at the end of the slides. Slides from Fall 2019, Spring 2019, Fall 2020 and currently being run for Spring 2021.

• Fall 2020 Quiz Prep quite similar to last semesters.

Index

week1

• Variables/Types
• Operations
• Conditional Expressions/Statements

week2

• Arrays
• Loops
• Functions

week3

• Multi-Dimensional arrays
• More Functions
• Strings

week4

• Midterm Prep

week5

• Objects, objects, more objects

week6

• Static
• Inheritance
  • Overriding
• Polymorphism
  • Upcasting (implicit)
  • Downcasting (explicit) (use instanceof operator)

week7

• Everything covered last week has a high likelihood of being on an exam
• References and Polymorphism

week8

• Interfaces
• Abstract Classes

week9

• Inheritance
• Polymorphism
• References/ Deep and Shallow Copies
• Static
• Interfaces

week10

• Algorithm run time analysis
• Linked Lists
• Array Lists
• Hashing
• Maps

week12

• Exceptions
• Recursion
• Trees

week13

• Sorts

week14

• Algorithm Analysis, Lists, Hashing, Maps
• Trees and Recursion
• Sorting

Inspiration

Some of the material has been inspired from Fall 2020 work from:

• Charlotte Lambert
• Naina Balepur
• Chengze Shen
• Harsh Deep
• Rohan Khatu