Tag: java challenge

2 articles
array object reference

Arrays and Object Reference Java Challenge

3 min read

Arrays are objects in Java. Variables in Java actually stores references to the object instead of the real object. When we pass an object reference to a method we are changing the object that is in the heap of the memory. Considering the explanation...

String pool challenge

Java Challenge #1: String Pool

1 min read

Every time we create a different String, an object is created in the pool. How many objects were created in this situation? Try to solve this challenge before seeing the answer below. Answer: 3 Strings and 1 StringBuilder are created in the...

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