the transformation of two integers into double in java

Your code looks sound, just a small tweek I would make. Your variable c will equal what you want b to be after it’s done dividing so you can just use it directly. Otherwise, you don’t really need to be using Integer.MAX_VALUE at all. Just use arbitrary values.

public class Functionality
  public static double createDouble(int a, int b) {
    double c = b;
    while(c >= 1)
      c /= 10;
    return a + c;
  public static void main(String[] args) {
    System.out.println(createDouble(15, 351));
    System.out.println(createDouble(32, 8452));



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