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Yejoong (Paul) Kim

Yejoong (Paul) Kim is a Computer Science student at Princeton University and is a Software Developer, Intern at OpenGenus.

New York, USA •
4 posts •
System Design

System Design of CRM Software

CRM software can be defined as any software that aims to facilitate and/or automate business processes that occur between businesses, employees, and customers.

Yejoong (Paul) Kim
System Design

Object-Oriented Database

This article aims to explain the object-oriented database and its principles, contrast the object-oriented database with the relational database and provide examples of object-oriented database management systems.

Yejoong (Paul) Kim
System Design

PostgreSQL in System Design

This article aims to give a brief overview of the PostgreSQL relational database management system, provide some brief comparisons to other alternatives, such as MySQL, illustrate useful features in PostgreSQL and discuss certain systems in which PostgreSQL proves more useful.

Yejoong (Paul) Kim
Java

NullPointerException in Java

Any developer beginning their Java programming journey will inevitably come across a certain error: the NullPointerException. The NullPointerException is one of the most common errors encountered by beginner programmers when dealing with objects in Java.

Yejoong (Paul) Kim
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