关于android：无法使用var在Kotlin中设置对象的属性

Cannot set property of object in Kotlin using var

我正在尝试设置使用Kotlin在Android Studio中创建的对象的属性。我每次都使用for循环制作一个新对象并将其添加到数组中。当我初始化对象并尝试设置topId时，即使我将其声明为var，它也会显示" Val无法重新分配"。

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for (i in 1..5) {

var topRanNum = generateRandomNum(topSize)
var top = currentSeasonTops[topRanNum]
var topLoopCounter = 0
var topId = top.id
var newOutfit: Outfit = Outfit()

if(top.wornCount < 5 ) {

newOutfit.topId = top.id

}

}

服装类

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public Outfit() {}

public Outfit(Long topId, Long bottomId, String topPhotoPath, String bottomPhotoPath) {
this.topId = topId;
this.bottomId = bottomId;
this.topPhotoPath = topPhotoPath;
this.bottomPhotoPath = bottomPhotoPath;

}

public Long getId() {
return id;
}

public void setId(Long id) {
this.id = id;
}

public String getTopPhotoPath() {
return topPhotoPath;
}

public String getBottomPhotoPath() {
return bottomPhotoPath;
}

public Long getTopId() {
return topId;
}

public Long getBottomId() {
return bottomId;
}