JAVA TUTORIALS - Java - Numbers
Java - Numbers
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Number Methods:
SN | Methods with Description |
---|---|
1 | xxxValue() Converts the value of this Number object to the xxx data type and returned it. |
2 | compareTo() Compares this Number object to the argument. |
3 | equals() Determines whether this number object is equal to the argument. |
4 | valueOf() Returns an Integer object holding the value of the specified primitive. |
5 | toString() Returns a String object representing the value of specified int or Integer. |
6 | parseInt() This method is used to get the primitive data type of a certain String. |
7 | abs() Returns the absolute value of the argument. |
8 | ceil() Returns the smallest integer that is greater than or equal to the argument. Returned as a double. |
9 | floor() Returns the largest integer that is less than or equal to the argument. Returned as a double. |
10 | rint() Returns the integer that is closest in value to the argument. Returned as a double. |
11 | round() Returns the closest long or int, as indicated by the method's return type, to the argument. |
12 | min() Returns the smaller of the two arguments. |
13 | max() Returns the larger of the two arguments. |
14 | exp() Returns the base of the natural logarithms, e, to the power of the argument. |
15 | log() Returns the natural logarithm of the argument. |
16 | pow() Returns the value of the first argument raised to the power of the second argument. |
17 | sqrt() Returns the square root of the argument. |
18 | sin() Returns the sine of the specified double value. |
19 | cos() Returns the cosine of the specified double value. |
20 | tan() Returns the tangent of the specified double value. |
21 | asin() Returns the arcsine of the specified double value. |
22 | acos() Returns the arccosine of the specified double value. |
23 | atan() Returns the arctangent of the specified double value. |
24 | atan2() Converts rectangular coordinates (x, y) to polar coordinate (r, theta) and returns theta. |
25 | toDegrees() Converts the argument to degrees |
26 | toRadians() Converts the argument to radians. |
27 | random() Returns a random number. |
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Example:
int i = 5000; float gpa = 13.65; byte mask = 0xaf;ADVERTISEMENTS
public class Test{ public static void main(String args[]){ Integer x = 5; // boxes int to an Integer object x = x + 10; // unboxes the Integer to a int System.out.println(x); } }