value * 2^ scaleFactor

Return	Method	Summary
static double	scalb(double d, int scaleFactor)	Return d * 2<sup>scaleFactor</sup>.
static float	scalb(float f, int scaleFactor)	Return f * 2<sup>scaleFactor</sup>.


public class Main {
  public static void main(String[] args) {

    System.out.println(Math.scalb(1.2,2));
  }
}

The output:

4.8

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