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Importing the Math Class Methods

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This article is regarding Importing the Math Class Methods in Java.
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◕ Importing the Math Class Methods

Let have two examples statement first:

■ First Example:
valueOfPI = Math.PI;

In this case we want to find the value of π.
For this we called the static method PI from the Math Class.

■ Second Example:
Again if we call another static method then we have to write like:
squreValue = Math.sqrt(anyArgument);

Here we find the squre root value of an argument.

■ In the above two examples we find that if we call any static method from the Math Class we have to write the class name ( i.e Math. ) again and again.
This increases the length or our program.

We can avoid this by importing the Math Class.
We can import the Math Class in two ways.

■ 1st Way - Importing the all static method from Math Class.
We have to write this line in the beginning of our program.
import static java.lang.Math.*;
This line means we are importing all static methods from the Math Class.

Now we can write the above two examples as:
valueOfPI = PI;
squreValue = sqrt(anyArgument);

■ 2nd Way - Importing a single static method from Math Class.
We have to write this line in the beginning of our program.
import static java.lang.Math.PI;
This line means we are importing only the PI method from the Math Class.
Now we can write the above example as:
valueOfPI = PI;



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