How do you override a toString method in Java?

How do I override toString method?

To override the ToString method in your class or struct:

  1. Declare a ToString method with the following modifiers and return type: C# Copy. …
  2. Implement the method so that it returns a string. The following example returns the name of the class in addition to the data specific to a particular instance of the class.

Can we override toString () method in Java?

The default toString() method in Object prints “class name @ hash code”. We can override the toString() method in our class to print proper output. For example, in the following code toString() is overridden to print the “Real + i Imag” form.

Is toString method overridden?

A string representation of an object can be obtained using the toString() method in Java. This method is overridden so that the object values can be returned.

Do you need to override toString?

There will be no information about state or properties of an object. Therefore, it is recommended that every class you write must override toString() method so that you quickly get an overview of an object. You must override toString() method in such a way that it should provide enough information about an object.

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What is @override in Java?

The @Override annotation indicates that the child class method is over-writing its base class method. The @Override annotation can be useful for two reasons. It extracts a warning from the compiler if the annotated method doesn’t actually override anything. It can improve the readability of the source code.

Why do we override toString in Java?

The toString() method returns the string representation of the object. If you print any object, java compiler internally invokes the toString() method on the object. So overriding the toString() method, returns the desired output, it can be the state of an object etc.

Can we override notify method in Java?

Ans. wait and notify are declared final in object class and hence cannot be overridden.

Can we override abstract method?

E. Abstract methods cannot be overridden by a concrete subclass.

What does toString () do in Java?

A toString() is an in-built method in Java that returns the value given to it in string format. Hence, any object that this method is applied on, will then be returned as a string object.

How do I bypass system out Println?

You can override the toString() method on your class instead, and then this will be used in all places that want to build a string representation of your instance, not simply System. out. println .

Why do we use toString?

Usually toString() method is used to print contents of an object. This method is already overridden in many java built-in class like String , StringBuffer , integer etc. It used when we have to display the field values which we initialize through constructor and what to display without using any getter.

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Can final methods be overridden?

Can We Override a Final Method? No, the Methods that are declared as final cannot be Overridden or hidden. For this very reason, a method must be declared as final only when we’re sure that it is complete.

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