Michael Safyan

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Senior Software Engineer at Google

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Beginner's Guide to Passing Parameters

Understanding the difference between pass-by-value and pass-by-reference is important to understanding the engineering trade offs that go into the creation of a programming language as well as to writing correct, bug-free code based on accurate assumptions about how the language works.

C++pass-by-reference

Object-Oriented Programming (OOP) in C

In this intermediate C/C++ tutorial, you'll learn how to bring some of the style of object-oriented programming to C, a language without built-in OOP support.

C oop object-oriented-programming C++

QUICK TIPS

Improve performance by using an explicit capacity when instantiating dynamic arrays

A dynamic array data structure is type of list data structure in which the data is stored contiguously in memory and, unlike an ordinary array, is able to...

Performance Java C++Collections Dynamic arrays

Improve performance by extracting repeated calculations outside of loop bodies

You may have learned in your algorithms course that first order constants do not affect the asymptotic runtime complexity of an algorithm. While this is...

Performance Loops Java

Can it be null? Save time, confusion, and bugs by using Optional<T> in lieue of nullable types.

Consider the following code: public interface UserAccount { // ... EmailAddress getEmail(); // ... } Given the interface above, can we...

Coding style Optionals Optional Java Null Clean code

Use Collections.unmodifiable*() when returning internal collections to improve Java correctness, safety

Can you spot the problem with this code? public class MyClass { // ... private final List<SomeType> someInternalList; // ... ...

Correctness Code quality Immutability Java Collections