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Which of these is an access modifier for a method - void protected int or main?
* void - This is a return type - or, more correctly, specifies that a method has no return type.* protected - This is an access modifier. It says that the only classes that can call this method are subclasses and classes in the same package.* int - This is a value type (or return type).* main - This is the name of the method.
What is type conversion?
Type conversion or type casting is the method of changing the entity of datatype to another.
What is returntype?
A return type describes the type of data which is returned by a call to a method. They keyword void is used to describe a method which does not return any data.
What does 'public static final int' mean?
public: It can be called (method) or accessed (field) from any class in any package.static: It is declared on the class rather than the object. If a method, you do not need an object to call it, it can be called directly on the class. If a field, there is only one variable for the class, not one per object.final: If a method, the method cannot be overridden. If a field, the value cannot be changed (a constant).int: If a method, the return type. If a field, the field type (it can only hold values of type 'int'). int is the primitive integer type.
Why method overloading is not possible by return type method?
A method can be used, and the return type discarded. For example, for a method that returns, say, an integer, instead of calling it like this: int x; x = MyMethod(1, 2); You can also call it like this: MyMethod(1, 2); That is, without using the return value. In such a case, if you were to have different methods with the same parameters but different return values, the compiler wouldn't know which version of the method to use.
