Java Minute

Quick answers to common Java questions, one episode at a time.

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Why should you favor composition over inheritance?

What are the differences between collections and streams?

Can you build an object without calling its constructor?

How does scoped value inheritance work?

What are the characteristics of a Collector?

How can you reverse the elements of a list?

Why should you favor immutability?

How can you replace all the elements of a list?

How can you format a string of characters?

What is the stack of a thread?

What is the canonical constructor?

What is a group in a regular expression?

How can you use preview features?

What is JLink?

How can you get the max of a collection?

How can you compare arrays for equality?

How can you search for an element in a list?

How can you limit the number of concurrent accesses to a resource?

How can you get the number of characters in a String?

What is a subsized stream?

What is context switching?

What is an EnumSet?

How can you add a snippet of code in your Javadoc?

What are the SOLID principles?

What is a thread scheduler?

What is a ReadWriteLock?

What is the difference between an interface and an abstract class?