Question

How to generate a range of floating-point numbers in Java

Answer 1

public class FloatRangeProgram {

    public static void main(String[] args) {

        // Define the range parameters.
        final double start = 0.0;
        final double step = 0.1;
        final int count = 11; // Generates 0.0 through 1.0 inclusive

        /*
         * Use an integer loop variable.
         * Each floating-point value is computed independently.
         */
        for (int i = 0; i < count; i++) {

            double value = start + (i * step);

            System.out.printf("%.1f%n", value);
        }
    }
}


/*
run:

0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0

*/

 

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