
What does the ^ operator do in Java? - Stack Overflow
Jan 2, 2010 · Exponentiation in Java As for integer exponentiation, unfortunately Java does not have such an operator. You can use double Math.pow (double, double) (casting the result to …
java - Round a double to 2 decimal places - Stack Overflow
May 11, 2010 · 611 This question already has answers here: How to round a number to n decimal places in Java (40 answers)
round up to 2 decimal places in java? - Stack Overflow
Jul 28, 2012 · I have read a lot of stackoverflow questions but none seems to be working for me. i am using math.round () to round off. this is the code: class round { public static void main …
Getting random numbers in Java - Stack Overflow
I would like to get a random value between 1 to 50 in Java. How may I do that with the help of Math.random();? How do I bound the values that Math.random() returns?
java - Calculating powers of integers - Stack Overflow
Guava's math libraries offer two methods that are useful when calculating exact integer powers: pow(int b, int k) calculates b to the kth the power, and wraps on overflow checkedPow(int b, int …
modulo - What's the syntax for mod in Java? - Stack Overflow
The answer calls the behavior of Java's remainder operator % (truncating towards zero) truncated modulo. It also lists a third variant, floored modulo, where the quotient is rounded towards …
How to round a number to n decimal places in Java
Sep 30, 2008 · What I would like is a method to convert a double to a string which rounds using the half-up method - i.e. if the decimal to be rounded is 5, it always rounds up to the next …
java - Math.random () explanation - Stack Overflow
Nov 1, 2011 · This is a pretty simple Java (though probably applicable to all programming) question: Math.random() returns a number between zero and one. If I want to return an integer …
How can I truncate a double to only two decimal places in Java?
May 19, 2017 · If, for whatever reason, you don't want to use a BigDecimal you can cast your double to an int to truncate it. If you want to truncate to the Ones place: simply cast to int To …
java - How to use BigInteger? - Stack Overflow
12 java.math.BigInteger is an immutable class so we can not assign new object in the location of already assigned object. But you can create new object to assign new value like: