Can a class method access instance variables java?

Class methods can access class variables and class methods directly. Class methods cannot access instance variables or instance methods directly—they must use an object reference.

Can we use method name as variable names in Java?

Generally length may be 1 char for loop counters, 1 word for condition/loop variables, 1-2 words for methods, 2-3 words for classes, 3-4 words for globals. Use specific names for variables, for example “value”, “equals”, “data”, are not valid names for any case.

Can variables and methods have the same name Java?

5 Answers. Yes it’s fine, mainly because, syntactically , they’re used differently.

When two methods in a class have the same name they are said to be?

Having two or more methods named the same in the same class is called overloading.

Can you use the same variable name in different methods?

The short answer is that you can absolutely use the same name anywhere you want. If it’s a global or class variable then all you have to do is not re-declare it locally to keep your code clean, but you can re-use it locally where it’ll be treated separately.

Can variable name start with capital letters in Java?

Internal words start with capital letters. Variable names should not start with underscore _ or dollar sign $ characters, even though both are allowed. Variable names should be short yet meaningful.

Can a variable with the same type and name be declared inside two different methods?

Answer: Yes — the scopes will not overlap so there will be two local variables, one per method, each with the same name.

Can methods in different classes have the same 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. But this is not recommended as per coding standards in Java. Normally the constructor name and class name always the same in Java.

What is difference between instance variable and class variable?

Class variables also known as static variables are declared with the static keyword in a class, but outside a method, constructor or a block. Instance variables are created when an object is created with the use of the keyword ‘new’ and destroyed when the object is destroyed.