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kotlinlang

Hi
problem with Barcode4J
val barcodeGenerator = Code128Bean()
barcodeGenerator.fontSize(0.5)

got
kotlin Unresolved reference. None of the following candidates is applicable because of receiver type mismatch:

kotlin version 1.8.10

..followed by this (intimidating indeed):
public operator fun &lt;T, R&gt; DeepRecursiveFunction&lt;TypeVariable(T), TypeVariable(R)&gt;.invoke(value: TypeVariable(T)): TypeVariable(R) defined in kotlin

Barcode4j is a java library, version 2.1
fontSize is a property with usual get/set

are you sure there’s a `fontSize()` function? What happens if you try `setFontSize(0.5)` instead?

```/**
 * Returns the font size of the human-readable part.
 * @return the font size
 */
public double getFontSize() {
    return this.fontSize;
}

/**
 * Sets the font size of the human-readable part.
 * @param size the font size
 */
public void setFontSize(double size) {
    this.fontSize = size;
}```


i didn't tried because Intellij marked in red but after a while it cleared it up ...

no problem!

if there’s a `getFontSize()` and `setFontSize()` in Java (<https://kotlinlang.org/docs/java-interop.html#getters-and-setters|given some conditions…>) then Kotlin will magically create a `fontSize` variable property, so this should also work:

```val barcodeGenerator = Code128Bean()
barcodeGenerator.fontSize = 0.5```
<https://kotlinlang.org/docs/java-interop.html#getters-and-setters>

yes it works in the assignment form .. thanks again :sweat_smile: