[英]What is “Type mismatch” and how do I fix it?
How to fix this error? 如何解决这个错误?
Type mismatch: cannot convert from element type Object to Block
类型不匹配:无法从元素类型对象转换为块
I see it at this line: 我在这一行看到它:
for (Block b : blocksToSkip){
Here is the full code. 这是完整的代码。
@EventHandler(priority=EventPriority.NORMAL, ignoreCancelled=true)
public void onEntityExplode(EntityExplodeEvent ev){
ArrayList blocksToSkip = new ArrayList();
Location rootLoc = ev.getLocation();
if (!SkyMagic.IsInIslandWorld(rootLoc)) return;
for (Block b : ev.blockList()){
Location loc = b.getLocation();
IslandData data = SkyMagic.GetIslandAt(loc);
if ((data != null) && (data.owner != null)){
blocksToSkip.add(b);
}
}
for (Block b : blocksToSkip){
ev.blockList().remove(b);
}
}
This is a raw type : 这是原始类型 :
ArrayList blocksToSkip
Java expects everything, not only the Block
type. Java期望所有东西,而不仅仅是
Block
类型。 Therefore, you need a type cast . 因此,您需要类型转换 。
ArrayList blocksToSkip = new ArrayList();
// Rest of your code
for (Object b : blocksToSkip){
ev.blockList().remove( (Block)b );
}
Note it is discouraged to use raw types. 请注意,建议不要使用原始类型。 You should parameterize instead.
您应该改为参数化 。
ArrayList<Block> blocksToSkip = new ArrayList<Block>();
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