Java Reference
In-Depth Information
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Demonstration of Deep Copy
clone
1
public
class
DeepDemo
2{
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public
static
void
main(String[] args)
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{
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LinkedList<StockItem> originalList =
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new
LinkedList<StockItem>( );
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originalList.addToStart(
new
StockItem("red dress", 1));
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originalList.addToStart(
new
StockItem("black shoe", 2));
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LinkedList<StockItem> copyList = originalList.clone( );
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if
(originalList.equals(copyList))
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System.out.println("OK, Lists are equal.");
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System.out.println("Now we change copyList.");
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StockItem dataEntry =
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copyList.findData(
new
StockItem("red dress", 1));
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dataEntry.setName("orange pants");
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System.out.println("originalList:");
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originalList.outputList( );
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System.out.println("copyList:");
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copyList.outputList( );
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System.out.println("Only one list is changed.");
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}
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}
Sample Dialogue
OK, Lists are equal.
Now we change copyList.
originalList:
black shoe 2
red dress 1
copyList:
black shoe 2
orange pants 1
Only one list is changed.
