Tag: learning java

First hut on the trail: Basics of Object Oriented Programming (OOP)

Object Oriented Programming In Java, you can write code that represents real objects. It’s called OOP = Object Oriented Programming. If the programming is object oriented it must have objects. You object is a calculator. In real life, you also have an object that is known as a calculator.  Object Objects in Java can easily map to

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Jump Start into Java Learning Path

Last Sunday I’ve talked to a friend. She just recently picked up Java. We’re about to start a learning experiment: she is going to learn how to write code in Java, I’m going to help. Work out a plan and set up exercises. I decided to blog about what we’re doing here. The “learning” posts will be visible

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Going up: let’s write some code!

In your Calculator project you have two java files: Calculator.java in src/main/java where you will write the calculations CalculatorTest.java in src/test/java that you will use to test the code written in Calculator.java Write some code Open Calculator.java. You can see a code needed to write some functions of the calculator inside: add, subtract, multiply etc. It is

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What’s up in Java world?

This year I’ve explored Java world again @DevoxxPL in Cracow. And whereas last year was full of the microservices and functional programming hype, this year was more steady. Microservices are still a dominant architectural trend. Aside from different aspects of Java (like an overview of Java 9, JVM Mechanics, JEE 8, Concurrency concepts, performance or

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