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Linked Lists (Java Collections framework)
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Asa Fernando
Greenhorn
Joined: Dec 05, 2005
Posts: 1
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When I write a simple java program to add elements to the java.util.LinkedList; class using add(0,i1) I get the following warning.
C:\Asanak\Project>javac -Xlint:unchecked Test1.java
Test1.java:12: warning: [unchecked] unchecked call to add(int,E) as a member of
the raw type java.util.LinkedList
l1.add(0,i1);
^
1 warning
Can someone pls help me out. Thanks in advance.
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Ernest Friedman-Hill
author and iconoclast
Marshal
Joined: Jul 08, 2003
Posts: 24061
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Hi,
Welcome to JavaRanch!
You're using a Java 5 compiler, and Java 5 has generics. Basically, Java now lets you specify what kind of objects that LinkedList can hold, and the warning is telling you that you're not taking advantage of that feature. Read the article for more info.
By the way, I deleted a copy of this message from the Java in General (Intermediate) forum. For an explanation, please read this.
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subject: Linked Lists (Java Collections framework)
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