A guide to Java method invocation basics, explaining what happens when you call a Java method, method signatures, pass-by-value, stack vs. heap memory and more.

Learn the 6 best Python methods for converting strings to lists, such as using list(), split(), list comprehension, and more for Python string manipulation.

Want to be a data scientist? Here's the key data science skills, tools (like Python and SQL) and resume strategies you need to build a portfolio and get hired.