[英]How can make for loops on this array code?
My project include this code to get picture links in this array.我的项目包含此代码以获取此数组中的图片链接。 I want to create images array with for loops.我想用 for 循环创建图像数组。
private void sliderPic(){
List<String> sP=catalog_data_list.getCatalogImages();
String[] urls;
// Şimdilik bu yöntemle gelen resim sayısına göre dolduruyorum slider'ı.
int spSize = sP.size();
if (spSize==2)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1))};
else if (spSize==1)
urls = new String[]{String.valueOf(sP.get(0))};
else if (spSize==3)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1)), String.valueOf(sP.get(2))};
else if (spSize==4)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1)), String.valueOf(sP.get(2)),
String.valueOf(sP.get(3))};
else if (spSize==5)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1)), String.valueOf(sP.get(2)),
String.valueOf(sP.get(3)), String.valueOf(sP.get(4))};
else if (spSize==6)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1)), String.valueOf(sP.get(2)),
String.valueOf(sP.get(3)), String.valueOf(sP.get(4)), String.valueOf(sP.get(5))};
else if (spSize==7)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1)), String.valueOf(sP.get(2)),
String.valueOf(sP.get(3)), String.valueOf(sP.get(4)), String.valueOf(sP.get(5)), String.valueOf(sP.get(6))};
else if (spSize==8)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1)), String.valueOf(sP.get(2)),
String.valueOf(sP.get(3)), String.valueOf(sP.get(4)), String.valueOf(sP.get(5)), String.valueOf(sP.get(6)),
String.valueOf(sP.get(7))};
else if (spSize==9)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1)), String.valueOf(sP.get(2)),
String.valueOf(sP.get(3)), String.valueOf(sP.get(4)), String.valueOf(sP.get(5)), String.valueOf(sP.get(6)),
String.valueOf(sP.get(7)), String.valueOf(sP.get(8))};
else if (spSize==10)
urls = new String[]{String.valueOf(sP.get(0)), String.valueOf(sP.get(1)), String.valueOf(sP.get(2)),
String.valueOf(sP.get(3)), String.valueOf(sP.get(4)), String.valueOf(sP.get(5)), String.valueOf(sP.get(6)),
String.valueOf(sP.get(7)), String.valueOf(sP.get(8)), String.valueOf(sP.get(9))};
I just tried this code to make for loop but it don't allow in syntax: if (spSize==2)我刚刚尝试使用此代码进行 for 循环,但它不允许语法:if (spSize==2)
urls = new String[]{for (int i=0;i>3;i++){String.valueOf(sP.get(0)), String.valueOf(sP.get(1))};}
spSize
创建一个大小为spSize
的数组sP
and populate the array在sP
上循环并填充数组Something like:就像是:
urls = new String[spSize];
for (int i=0; i<spSize; i++) {
urls[i] = sP.get(i) // already a String, no need to call String.valueOf except if sP can contains null values.
}
Your idea was good, but you can't use a loop as a constructor parameter.您的想法很好,但是您不能将循环用作构造函数参数。
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