JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to get absolute value in java?


Description:

In mathematics, the absolute value (or modulus) |a| of a real number a is the numerical value of a without regard to its sign. So, for example, the absolute value of 3 is 3, and the absolute value of -3 is also 3. The absolute value of a number may be thought of as its distance from zero. Below example shows how to get absolute value using Math.abs() method.


Code:
package com.java2novice.math;

public class MyAbsEx {

	public static void main(String[] args) {
		
		double a = -23.45;
		int b = 234;
		double c = 12.54;
		System.out.println("absolute value of a: "+Math.abs(a));
		System.out.println("absolute value of b: "+Math.abs(b));
		System.out.println("absolute value of c: "+Math.abs(c));
	}
}

Output:
absolute value of a: 23.45
absolute value of b: 234
absolute value of c: 12.54
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List Of All Math Class Sample Programs:

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  4. Example for Math.copySign() method.
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  13. How to calculate natural logarithm value of a number in java?
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  15. Example for Math.nextAfter() method.
  16. Example for Math.nextUp() method.
  17. How to get random number between 0 to 1 in java?
  18. Example for Math.rint() method.
  19. How to round-off decimal number to nearest integer in java?
  20. Example for Math.signum() method.
  21. How to get square root of a number in java?
  22. How to convert an angle from radians to degrees?
  23. How to convert an angle from degrees to radians?
  24. How to calculate trigonometric sine of an angle in java?
  25. How to calculate trigonometric cosine of an angle in java?
  26. How to calculate trigonometric tangent of an angle in java?
Knowledge Centre
Interface and its usage
Interface is similar to a class which may contain method's signature only but not bodies and it is a formal set of method and constant declarations that must be defined by the class that implements it. Interfaces are useful for declaring methods that one or more classes are expected to implement, capturing similarities between unrelated classes without forcing a class relationship and determining an object's programming interface without revealing the actual body of the class.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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