Can method name and variable name be same in Java?

Can method name be same as variable name?

Typically, a method has a unique name within its class. However, a method might have the same name as other methods due to method overloading.

Can a method have the same name as a field in Java?

A Java subclass B can introduce a field with exactly the same name n as a field in its superclass A. … In a class, Java permits the same method name to be used for different methods as long as their argument lists do not identical the same length and same types.

Can a variable in a parameter list for a method have the same name as a member or static variable in the class?

The name of a parameter must be unique in its scope. It cannot be the same as the name of another parameter for the same method or constructor, and it cannot be the name of a local variable within the method or constructor. A parameter can have the same name as one of the class’s fields.

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Can a method have the same name as the class name?

Yes, It is allowed to define a method with the same name as that of a class. There is no compile-time or runtime error will occur. … Normally the constructor name and class name always the same in Java.

Which is a correct way of naming a variable?

Rules for Naming Variables

The first character must be a letter or an underscore (_). You can’t use a number as the first character. The rest of the variable name can include any letter, any number, or the underscore. You can’t use any other characters, including spaces, symbols, and punctuation marks.

Can we use same variable name in two methods?

Do not use the same variable name in two scopes where one scope is contained in another. For example, No other variable should share the name of a global variable if the other variable is in a subscope of the global variable.

Is overriding possible in Java?

In Java, methods are virtual by default. We can have multilevel method-overriding. Overriding vs Overloading : … Overriding is about same method, same signature but different classes connected through inheritance.

What is method overloading example?

In Java, two or more methods may have the same name if they differ in parameters (different number of parameters, different types of parameters, or both). These methods are called overloaded methods and this feature is called method overloading. For example: void func() { ... }

What are member methods?

Member methods provide an application with access to the data of an object instance. You define a member method in the object type for each operation that you want an object of that type to be able to perform. Non-comparison member methods are declared as either MEMBER FUNCTION or MEMBER PROCEDURE .

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Can a class have private constructor?

Yes. Class can have private constructor. Even abstract class can have private constructor. By making constructor private, we prevent the class from being instantiated as well as subclassing of that class.

How do you call a static variable in the main program?

Static variables can be accessed by calling with the class name ClassName. VariableName. When declaring class variables as public static final, then variable names (constants) are all in upper case. If the static variables are not public and final, the naming syntax is the same as instance and local variables.

What name is same as class name?

Every class object is created using the same new keyword, so it must have information about the class to which it must create an object. For this reason, the constructor name should be the same as the class name.

Which is the correct way to create a class?

To create an object of Main , specify the class name, followed by the object name, and use the keyword new :

  1. Example. Create an object called ” myObj ” and print the value of x: public class Main { int x = 5; public static void main(String[] args) { Main myObj = new Main(); System. …
  2. Example. …
  3. Second.java.

Can a constructor have different name than a class name in Java?

The name of the constructor must be the same as the name of the class and, if you provide more than one constructor, the arguments to each constructor must differ in number or in type from the others. You do not specify a return value for a constructor.

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