How to convert double array to short array in java?

Question

I have array of double in java and I need to convert into array of short. Any idea?

You should provide more detail in your question, what problem are you facing, how do you want to handle values that are to large, rounding etc. — Joakim Danielson, Feb 17 '21 at 08:15
@JoakimDanielson . I have to play the array using audio track and it accepts short — Amanpal Singh, Feb 17 '21 at 08:24
You may get a different value for any number beyond the max and min value a `short` variable can hold. Check https://stackoverflow.com/q/18860817/10819573 to understand it. — Arvind Kumar Avinash, Feb 17 '21 at 08:37

score 2 · Answer 1 · edited Feb 17 '21 at 08:28

2

    double[] d = { 2, 3.2, 4.8, 123456789.123 };
    short[] s = new short[d.length];
    
    for (int i = 0; i < d.length; i++) {
        s[i] = (short) d[i];
    }
    System.out.println("short output: " + Arrays.toString(s));
---------------------
Result: short output: [2, 3, 4, -13035]

Is that really what you need? Is the precision loss not important for you?

edited Feb 17 '21 at 08:28

a_local_nobody

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answered Feb 17 '21 at 08:24

Sergiu Grisciuc

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score 0 · Answer 2 · answered Feb 17 '21 at 09:25

How do you want to print it...? You can cast your double to a short when printing a single value from the array like this:

    public class array {
    public static void main(String[] args){
        double [] array = new double[] {132.45612, 9556.456789876, 6513.987652, 123456789.123};
        System.out.println((short)array[3]);
    }
}

This outputs -13035

By changing the number in the sysout, you should get a different result.

How to convert double array to short array in java?

2 Answers2