Typeof Java

In other words the typeof function is a quick way to check data to make sure that a script will work. But as this is the beginner forum i thought id add a comment on use and misuse of these features.

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In programming data types is an important concept.

Typeof java.

What are the possible outputs of the typeof function.
Dont worry if you dont understand the term object just yet.
Ecmascript 2019 and older permitted implementations to have typeof return any implementation defined string value for non callable non standard exotic objects.

To be able to operate on variables it is important to know something about the type.
The above answers suggesting getclass and instanceof are quite correct.
You could use reflection if you needed to discover an objects method parameter types at run time although i dont think that is what you are asking.

Is there a typeof like function in java that returns the type of a primitive data type pdt variable or an expression of operands pdts.
Is there any function similar to typeof in java.
The string object has methods that is used to perform certain operations on strings.

The concept of data types.
We will learn more about strings and objects in a later chapter.
Because the javascript typeof function is used to check data types the possible outputs of the typeof operator are all data types too.

Instanceof seems to work for class types only.
The below simple example alerts the data type of the variable myvar.
The typeof operator is used to get the data type returns a string of its operand.

The typeof operator in javascript allows you to probe the data type of its operand such as whether a variable is string numeric or even undefined.
The only known browser to have actually taken advantage of this is old internet explorer see below.
The operand can be either a literal or a data structure such as a variable a function or an object.

A string in java is actually a non primitive data type because it refers to an object.