Java.lang Package Classes
Java.lang Package Classes

Java.lang.StrictMath Class

Java StrictMath Class

Java.lang package provides a StrictMath class which contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.

Class declaration

The declaration of java.lang.StrictMath class is:

public final class StrictMath
  extends Object

Fields

S.NFields & Description
1. static double E
The double value that is closer than any other to e, the base of the natural logarithms.
2. static double PI
The double value that is closer than any other to 𝜋, the ratio of the circumference of a circle to its diameter.

java.lang.StrictMath Methods

The java.lang.StrictMath class has a number of methods which are listed below:

Member Methods

S.NMethods & Description
1. static double abs(double a)
Returns the absolute value of a double value.
2. static float abs(float a)
Returns the absolute value of a float value.
3. static int abs(int a)
Returns the absolute value of an int value.
4. static long abs(long a)
Returns the absolute value of a long value.
5. static double acos(double a)
Returns the arc cosine of a value; the returned angle is in the range 0.0 through 𝜋.
6. static int addExact(int x, int y)
Returns the sum of its arguments, throwing an exception if the result overflows an int.
7. static long addExact(long x, long y)
Returns the sum of its arguments, throwing an exception if the result overflows a long.
8. static double asin(double a)
Returns the arc sine of a value; the returned angle is in the range -𝜋/2 through 𝜋/2.
9. static double atan(double a)
Returns the arc tangent of a value; the returned angle is in the range -𝜋/2 through 𝜋/2.
10. static double atan2(double y, double x)
Returns the angle theta from the conversion of rectangular coordinates (x, y) to polar coordinates (r, theta).
11. static double cbrt(double a)
Returns the cube root of a double value.
12. static double ceil(double a)
Returns the smallest (closest to negative infinity) double value that is greater than or equal to the argument and is equal to a mathematical integer.
13. static double copySign(double magnitude, double sign)
Returns the first floating-point argument with the sign of the second floating-point argument.
14. static float copySign(float magnitude, float sign)
Returns the first floating-point argument with the sign of the second floating-point argument.
15. static double cos(double a)
Returns the trigonometric cosine of an angle.
16. static double cosh(double x)
Returns the hyperbolic cosine of a double value.
17. static double exp(double x)
Returns Euler's number e raised to the power of a double value.
18. static double expm1(double x)
Returns ex -1.
19. static double floor(double a)
Returns the largest (closest to positive infinity) double value that is less than or equal to the argument and is equal to a mathematical integer.
20. static int floorDiv(int x, int y)
Returns the largest (closest to positive infinity) int value that is less than or equal to the algebraic quotient.
21. static long floorDiv(long x, long y)
Returns the largest (closest to positive infinity) long value that is less than or equal to the algebraic quotient.
22. static int floorMod(int x, int y)
Returns the floor modulus of the int arguments.
23. static long floorMod(long x, long y)
Returns the floor modulus of the long arguments.
24. static int getExponent(double d)
Returns the unbiased exponent used in the representation of a double.
25. static int getExponent(float f)
Returns the unbiased exponent used in the representation of a float.
26. static double hypot(double x, double y)
Returns sqrt(x2 +y2) without intermediate overflow or underflow.
27. static double IEEEremainder(double x, double y)
Computes the remainder operation on two arguments as prescribed by the IEEE 754 standard.
28. static double log(double a)
Returns the natural logarithm (base e) of a double value.
29. static double log10(double a)
Returns the base 10 logarithm of a double value.
30. static double log1p(double x)
Returns the natural logarithm of the sum of the argument and 1.
31. static double max(double a, double b)
Returns the greater of two double values.
32. static float max(float a, float b)
Returns the greater of two float values.
33. static int max(int a, int b)
Returns the greater of two int values.
34. static long max(long a, long b)
Returns the greater of two long values.
35. static double min(double a, double b)
Returns the smaller of two double values.
36. static float min(float a, float b)
Returns the smaller of two float values.
37. static int min(int a, int b)
Returns the smaller of two int values.
38. static long min(long a, long b)
Returns the smaller of two long values.
39. static int multiplyExact(int x, int y)
Returns the product of the arguments, throwing an exception if the result overflows an int.
40. static long multiplyExact(long x, long y)
Returns the product of the arguments, throwing an exception if the result overflows a long.
41. static double nextAfter(double start, double direction)
Returns the floating-point number adjacent to the first argument in the direction of the second argument.
42. static float nextAfter(float start, double direction)
Returns the floating-point number adjacent to the first argument in the direction of the second argument.
43. static double nextDown(double d)
Returns the floating-point value adjacent to d in the direction of negative infinity.
44. static float nextDown(float f)
Returns the floating-point value adjacent to f in the direction of negative infinity.
45. static double nextUp(double d)
Returns the floating-point value adjacent to d in the direction of positive infinity.
46. static float nextUp(float f)
Returns the floating-point value adjacent to f in the direction of positive infinity.
47. static double pow(double a, double b)
Returns the value of the first argument raised to the power of the second argument.
48. static double random()
Returns a double value with a positive sign, greater than or equal to 0.0 and less than 1.0.
49. static double rint(double a)
Returns the double value that is closest in value to the argument and is equal to a mathematical integer.
50. static long round(double a)
Returns the closest long to the argument, with ties rounding to positive infinity.
51. static int round(float a)
Returns the closest int to the argument, with ties rounding to positive infinity.
52. static double scalb(double a, int b)
Returns a × 2b rounded as if performed by a single correctly rounded floating-point multiply to a member of the double value set.
53. static float scalb(float a, int b)
Returns a × 2b rounded as if performed by a single correctly rounded floating-point multiply to a member of the float value set.
54. static double signum(double d)
Returns the signum function of the argument; zero if the argument is zero, 1.0 if the argument is greater than zero, -1.0 if the argument is less than zero.
55. static float signum(float f)
Returns the signum function of the argument; zero if the argument is zero, 1.0f if the argument is greater than zero, -1.0f if the argument is less than zero.
56. static double sin(double a)
Returns the trigonometric sine of an angle.
57. static double sinh(double x)
Returns the hyperbolic sine of a double value.
58. static double sqrt(double a)
Returns the correctly rounded positive square root of a double value.
59. static int subtractExact(int x, int y)
Returns the difference of the arguments, throwing an exception if the result overflows an int.
60. static long subtractExact(long x, long y)
Returns the difference of the arguments, throwing an exception if the result overflows a long.
61. static double tan(double a)
Returns the trigonometric tangent of an angle.
62. static double tanh(double x)
Returns the hyperbolic tangent of a double value.
63. static double toDegrees(double angrad)
Converts an angle measured in radians to an approximately equivalent angle measured in degrees.
64. static int toIntExact(long value)
Returns the value of the long argument; throwing an exception if the value overflows an int.
65. static double toRadians(double angdeg)
Converts an angle measured in degrees to an approximately equivalent angle measured in radians.
66. static double ulp(double d)
Returns the size of an ulp of the argument.
67. static float ulp(float f)
Returns the size of an ulp of the argument.

Methods inherited

This class inherits the methods of following class:

  • java.lang.Object
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