Introduction to LOW level design

Low level design is a crucial aspect of software development. It focuses on the implementation details of a system or application, such as algorithms, data structures, and database schema. In low level design, we dive deep into the technical aspects to ensure efficient and optimized code.

Low level design plays a vital role in building scalable and maintainable software solutions. It helps in identifying potential bottlenecks, performance optimizations, and resource management. By considering low level design principles, we can create robust and high-performing applications.

As a senior engineer with a strong background in Java development, Spring Boot, MySQL, and AWS, you already have a solid foundation in software development. Low level design will further enhance your skills by providing you with a deeper understanding of the internal workings of a system.

To give you a taste of low level design in action, let's take a look at a simple example. The following Java code demonstrates the classic 'FizzBuzz' problem:

1class Main {
2  public static void main(String[] args) {
3    for(int i = 1; i <= 100; i++) {
4      if(i % 3 == 0 && i % 5 == 0) {
5          System.out.println("FizzBuzz");
6      } else if(i % 3 == 0) {
7          System.out.println("Fizz");
8      } else if(i % 5 == 0) {
9          System.out.println("Buzz");
10      } else {
11          System.out.println(i);
12      }
13    }
14  }
15}

In this code, we iterate from 1 to 100 and print 'Fizz' if the number is divisible by 3, 'Buzz' if it's divisible by 5, and 'FizzBuzz' if it's divisible by both 3 and 5. Otherwise, we print the number itself. This simple example showcases the logical thinking and implementation details involved in low level design.

Throughout this course on low level design, we will explore various topics such as problem statement analysis, requirements identification, class diagram creation, entity-relationship mapping, database schema design, design patterns, and implementing code in Java. By the end of the course, you will have a solid understanding of low level design principles and how to apply them in real-world scenarios.

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class Main {

  public static void main(String[] args) {

    // replace with your Java logic here

    for(int i = 1; i <= 100; i++) {

      if(i % 3 == 0 && i % 5 == 0) {

          System.out.println("FizzBuzz");

      } else if(i % 3 == 0) {

          System.out.println("Fizz");

      } else if(i % 5 == 0) {

          System.out.println("Buzz");

      } else {

          System.out.println(i);

      }

    }

  }

}