Algorithm Question Demo

Question

Longest Substring Without Repeating Characters

Given a string, find the length of the longest substring without repeating characters.

Example

Input: s = "abcabcbb"
Output: 3
Explanation: The answer is "abc", with the length of 3.

Answer

def length_of_longest_substring(s: str) -> int:
    pass

Multiple Choice Question Demo

Questions

  1. What is the primary function of the Java Virtual Machine (JVM)?
  • A) To compile Java source code into bytecode
  • B) To execute Java bytecode
  • C) To optimize Java code for specific hardware
  • D) To manage database connections in Java applications
  1. Which component of the JVM is responsible for loading, linking, and initializing Java classes?
  • A) Garbage Collector
  • B) JIT Compiler
  • C) Class Loader
  • D) Runtime Data Area
  1. What is the purpose of the JVM's Just-In-Time (JIT) compiler?
  • A) To interpret Java bytecode line by line
  • B) To compile Java source code into bytecode
  • C) To convert bytecode into native machine code for faster execution
  • D) To manage memory allocation for Java objects

System Design Question Demo

Question

Design a ride-sharing service.

Functional Requirements

  • Riders can request a ride from their current location to a destination
  • Drivers can accept or decline ride requests

Non-Functional Requirements

  • Low latency matching between riders and drivers
  • The system should be highly available