Interesting Java.lang.Math Class
public class UsingLangDotMath { final int TWENTY_SEVEN = 27; public static void main(String args[]) { UsingLangDotMath usingLangDotMath = new UsingLangDotMath(); usingLangDotMath.proceed(); } private void proceed() { System.out.println(“Cube root of 27: ” + Math.cbrt(TWENTY_SEVEN)); System.out.println(“Trigonometric sine: ” + Math.sin(TWENTY_SEVEN)); System.out.println(“Trigonometric cosine: ” + Math.cos(TWENTY_SEVEN)); System.out.println(“Trigonometric tangent: ” + Math.tan(TWENTY_SEVEN)); } } /* Expected output: [root@mypc]# java UsingLangDotMath Cube root of 27: 3.0 Trigonometric sine: 0.956375928404503 Trigonometric cosine: -0.2921388087338362 Trigonometric tangent: -3.273703800428119 */