The String data structure in Java and in other programming languages behind the scenes is an array of bytes. Bytes behind the scenes are numbers that can be translated into bits or binary numbers. Those numbers correspond to a character in an...
Did you know that every variable in Java is passed by value and not by reference? However, what happens when we pass an object to a method? Do we manipulate the value or the reference? This is exactly what you will explore in the following Java...
Learn how to use yield or lambdas with the switch case statement changed for Java 13 on this challenger! Also, understand how to put the challenger class into a Docker container and run it. Get used to important technologies in the market with the...
Do you know what happens when a String is replaced? Do you know why a String is immutable? Try to solve this Java Challenger and understand this concept deeply! Get the code of the Java Challengers and run your own tests:
Go deep into String pool, intern method, equals, == by having fun with this Java Challenge! The best way to learn is by having fun! The Java Challenges provide you that, you learn Java core concepts deeply! That’s the link for more details...