MathClassIn.java

public class MathClassIn {
    // math class in java

    // contains a lot of method to perform math operations
    public static void main(String[] args) {
       System.out.println("By Bro Code");

        System.out.println("PI : "+Math.PI);
        // Math is the class and PI is the constant here which prints
        // the value of PI

        // System.err.println(); --> what (err) is this ?

        System.out.println("Eculids number : "+Math.E);
        // Math is the class E is constant  in this class
        // to print the eculids number
        
// math class contain static method so you dont need to create objects
// of math class to access the methods of it
// like you do in random class(need to create object in random class
// because methods in it are non static)

// ********* Other important methods(static) in Math class are *************

System.out.println(" methods in random class can take diffrent data type as args  ");

// System.out.println("minValue : "+Math.min(34, 55 ));
// 
// System.out.println("maxValue : "+Math.max(55, 78));
// 
// System.out.println("Power method takes two arguments(base, power) : "+Math.pow(2,3 ));
// 
// System.out.println("Absolute value Method : "+Math.abs(-45));
// 
// System.out.println("Square root Method : "+Math.sqrt(9));

//  System.out.println("Returns Sum of its Arguments thorws exception if result overflow an integer");
//  System.out.println(" "+Math.addExact(242343424 , 384272777));
//  System.out.println(" "+ Math.addExact(45372384235l , 45372384235l));
 
//  System.out.println("rounds-off the value : "+Math.round(3.64));
//  System.out.println("rounds-off the value to upper value : "+Math.ceil(5.33));
//  System.out.println("rounds-off the value to lower value : "+Math.floor(4.97));
}
}