What is override toString in Java?

What is 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. depending on your implementation.

How do I override toString?

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.

Why do we need to 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 abstract method?

Abstract methods cannot be overridden by a concrete subclass.

How do I use toString from another class?

This is happening because the statement – System. out. println(myobject) will call the myobject ‘s toString() and not toString(long,double).

What can I use instead of toString?

If you writing code for toString() method in Java, then use StringBuilder to append individual attributes. If you are using IDE like Eclipse, Netbeans, or IntelliJ then also using StringBuilder and append() method instead of + operator to generate toString method is a good way.

What is the purpose of overriding a method?

The purpose of Method Overriding is that if the derived class wants to give its own implementation it can give by overriding the method of the parent class. When we call this overridden method, it will execute the method of the child class, not the parent class.

Is @override necessary?

The @Override annotation informs the compiler that the element is meant to override an element declared in a superclass. It is not required, but it will generate a compile error if that method actually does not correctly override a method in a superclass.

Can we override main method in Java?

No, we cannot override main method of java because a static method cannot be overridden.