How to output the absolute value of a number in eclipse?

In Eclipse, you can use the abs() method in the Math class to calculate the absolute value of a number. Here is an example code:

public class Main {
    public static void main(String[] args) {
        int num = -10;
        int absoluteValue = Math.abs(num);
        System.out.println("绝对值为：" + absoluteValue);
    }
}

In this example, we are utilizing the abs() method from the Math class to calculate the absolute value of the variable num, and storing the result in the variable absoluteValue. Next, we use the System.out.println() method to print the absolute value to the console.

Please note that the Math class is part of Java’s standard library, so you do not need to import any other packages to use it.