How do you use the toString method?

toString() returns a string/textual representation of the object. Commonly used for diagnostic purposes like debugging, logging etc., the toString() method is used to read meaningful details about the object. It is automatically invoked when the object is passed to println, print, printf, String.

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. depends on your implementation.

Also Know, 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.

Thereof, what is the use of toString method in Java?

The java toString() method is used when we need a string representation of an object. It is defined in Object class. This method can be overridden to customize the String representation of the Object. Below is a program showing the use of the Object’s Default toString java method.

What does toString mean?

toString() is a method used to create String representation of an object. Since every class in Java is a sub-class of Object and Object has toString() method, every class has a default toString() method. Often you will need to override the default toString() in order to get meaningful results.

Is toString a static method?

Every object type has a method called toString that returns a string representation of the object. The definition does not have the keyword static , because it is not a static method. It is an instance method, so called because when you invoke it, you invoke it on an instance of the class ( Time in this case).

Is toString an accessor method?

An accessor method allows other objects to obtain the value of instance variables or static variables. The toString method is an overridden method that is included in classes to provide a description of a specific object. It generally includes what values are stored in the instance data of the object. If System.

Is toString automatically called?

toString() gets invoked automatically. Object. toString() ‘s default implementation simply prints the object’s class name followed by the object’s hash code which isn’t very helpful. So, one should usually override toString() to provide a more meaningful String representation of an object’s runtime state.

What does this mean in Java?

Keyword THIS is a reference variable in Java that refers to the current object. It can be used to refer instance variable of current class. It can be used to invoke or initiate current class constructor. It can be passed as an argument in the method call.

What is toString method in C#?

ToString() Method in C# with examples. ToString method is inherited from the Object class which is used to get a string that represents the current object. It can also apply on the Stack. It returns a string which represents the current stack object.

What would happen if you will not override the toString () method?

When you need to do that, you must override the toString() method implemented in the Object class (the base class of all objects). If you do not do that, when you will try to print your object ( System. out.

Can we override toString method in Java?

Overriding toString() in Java The default toString() method in Object prints “class name @ hash code”. We can override toString() method in our class to print proper output. In general, it is a good idea to override toString() as we get get proper output when an object is used in print() or println().

How do I toString an array?

Arrays. toString(int[]) method returns a string representation of the contents of the specified int array. The string representation consists of a list of the array’s elements, enclosed in square brackets (“[]”). Adjacent elements are separated by the characters “, ” (a comma followed by a space).

What are accessor methods in Java?

An Accessor method is commonly known as a get method or simply a getter. A property of the object is returned by the accessor method. A naming scheme is followed by accessors, in other words they add a word to get in the start of the method name. They are used to return the value of a private field.

Why we do override toString ()?

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. depends on your implementation.

Why reflection is used in Java?

Java Reflection makes it possible to inspect classes, interfaces, fields and methods at runtime, without knowing the names of the classes, methods etc. at compile time. It is also possible to instantiate new objects, invoke methods and get/set field values using reflection.

What happens when you print an object in Java?

Prints an Object and then terminate the line. This method calls at first String. valueOf(x) to get the printed object’s string value, then behaves as though it invokes print(String) and then println(). In general, the toString method returns a string that “textually represents” this object.

What is hashCode method in Java?

Java hashCode() Java Object hashCode() is a native method and returns the integer hash code value of the object. The general contract of hashCode() method is: Multiple invocations of hashCode() should return the same integer value, unless the object property is modified that is being used in the equals() method.

What if I write static public void instead of public static void?

If you write static public void main instead of public static void main, then it will make no difference. Program compiles properly and runs. But if you change the sequence of main, then it will you give a compiler error. Void : is used to define the Return Type of the Method.