Java Math

Java Math

Java Math

Java Math:

Java Math is a class in the Java programming language that provides a set of built-in mathematical functions and constants that can be used in Java programs. The Math class is included in the java.lang package and provides functions for performing basic arithmetic operations, as well as more advanced mathematical operations like trigonometry, logarithms, and exponentiation.

Here are some of the most commonly used functions and constants provided by the Java Math class:

Functions:

  • abs(x) : Returns the absolute value of x
  • ceil(x) : Returns the smallest integer that is greater than or equal to x
  • floor(x) : Returns the largest integer that is less than or equal to x
  • max(x, y) : Returns the larger of two values x and y
  • min(x, y) : Returns the smaller of two values x and y
  • pow(x, y) : Returns x raised to the power of y
  • sqrt(x) : Returns the square root of x
  • sin(x), cos(x), tan(x) : Returns the trigonometric sine, cosine, and tangent of x, respectively
  • log(x) : Returns the natural logarithm (base e) of x
  • exp(x) : Returns the value of e raised to the power of x

Constants:

  • E : The mathematical constant e (approximately equal to 2.71828)
  • PI : The mathematical constant π (approximately equal to 3.14159)

To use the Math class in your Java program, you first need to import it by adding the following statement at the beginning of your code:

				
					import java.lang.Math; 
				
			

After that, you can use any of the functions or constants provided by the Math class by calling them as static methods, like this:

				
					double x = 4.5;
double y = Math.sqrt(x);

				
			

In this example, the sqrt() function is called with the value of x as its argument, and the result is stored in the variable y.

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