任何人都可以告诉我如何以正确的方式创建阵列arraylist?
.\File.java:5: warning: [unchecked] unchecked conversion
ArrayList<myObjectType> myParkingLotArray[] = new ArrayList[3];
^
required: ArrayList<Vehicle>[]
found: ArrayList[]
1 warning
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我想要一个存储3个arraylists的arry(或任何其他解决方案).如何将对象添加到arrylists也很高兴知道.
ParentArray
我很高兴任何帮助
解:
public class myClass {
ArrayList<myObjectType>[] myArryName= new ArrayList[3];
public void addLists() {
myArryName[0] = new ArrayList<myObjectType>();
myArryName[1] = new ArrayList<myObjectType>();
myArryName[2] = new ArrayList<myObjectType>();
}
}
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警告可以被忽略或抑制.
java arraylist type-conversion unchecked unchecked-exception