Java Math min() method with Examples

Last Updated : 13 Jul, 2021

The Java.lang.math.min() function is an inbuilt function in java that returns the minimum of two numbers. The arguments are taken in int, double, float and long. If a negative and a positive number is passed as an argument then the negative result is generated. And if both parameters passed are negative then the number with the higher magnitude is generated as result.
Syntax:

dataType min(dataType num1, dataType num2)
The datatypes can be int, float, double or long.

Parameters : The function accepts two parameters num1 and num2 
among which the minimum is returned

Return value: The function returns the minimum of two numbers. The datatype will be the same as that of the arguments.
Given below are the examples of the function min():

Java

// Java program to demonstrate the
// use of min() function
// two double data-type numbers are passed as argument
public class Gfg {
 
    public static void main(String args[])
    {
        double a = 12.123;
        double b = 12.456;
 
        // prints the minimum of two numbers
        System.out.println(Math.min(a, b));
    }
}

Output:

12.123

Java

// Java program to demonstrate the
// use of min() function
// when one positive and one
// negative integers are passed as argument
public class Gfg {
 
    public static void main(String args[])
    {
        int a = 23;
        int b = -23;
 
        // prints the minimum of two numbers
        System.out.println(Math.min(a, b));
    }
}

Output:

-23

Java

// Java program to demonstrate
// the use of min() function
// when two negative integers
// are passed as argument
public class Gfg {
 
    public static void main(String args[])
    {
        int a = -25;
        int b = -23;
 
        // prints the minimum of two numbers
        System.out.println(Math.min(a, b));
    }
}

Output:

-25

If you want to find the minimum of two numbers many times in your code, then it’s often tedious to write the complete Math.min() every time. So a shorter and a bit time-saver way out here is to directly import java.lang.Math.min as static and then use just min() instead of the complete Math.min().

Java

import static java.lang.Math.min;
 
class GFG {
    public static void main(String[] args)
    {
        int a = 3;
        int b = 4;
        System.out.println(min(a, b));
    }
}

Output

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