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You are watching: How to square a number in java
1) Square a number by multiplying it by itself
This is exactly how you square a number by multiplying it by itself:
int i = 2;int square = i * i;In this instance if you print the value of square, it will be 4.
2) Square a number via the Math.pow method
Here’s how you contact the Math.pow technique to square a number:
int i = 2;int square = Math.pow(i, 2);
More power multipliersIn general I just multiply the number by itself to get the squared worth, yet the advantage of the Math.pow strategy is that when you understand exactly how to use it, you have the right to quickly cube a number prefer this:
int i = 2;int square = Math.pow(i, 3);Thus, it’s valuable to understand both viewpoints.
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In summary, if you wanted to see a couple of ways to square a number (int, float, double, and so on.) in Java, I hope this is valuable.
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