How does tostring work in java

Object class is present in java. Every class in Java is directly or indirectly derived from the Object class, henceforth it is a child of the Object class.

If a class does not extend any other class then it is a direct child class of Object and if extends another class then it is indirectly derived. Therefore the Object class methods are available to all Java classes. Note: Object class acts as a root of inheritance hierarchy in any java program Attention reader! Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready.

Now we will be dealing with one of its methods known as toString method. We typically generally do use the toString method to get the string representation of an object. It is very important and readers should be aware that whenever we try to print the object reference then internally toString method is invoked. If we did not define the toString method in your class then the Object class toString method is invoked otherwise our implemented or overridden toString method will be called.

Hence, it is highly recommended to override toString method in our class also. TECH" ; System. If you like GeeksforGeeks and would like to contribute, you can also write an article using write.

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Verbal Ability. Interview Questions. Company Questions. Artificial Intelligence. Cloud Computing. This method is part of Object and so every java object has some default implementation of it. Still in many cases it is not informative enough and its better to override it. I'd like to think of toString as a convenience function. Whenever you do something like:. It is inherent to every Object , so you can always override it to have it return a String that best describes your own Objects.

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