JAVA
java
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import java.util.ArrayList;
class machine{
@Override
public String toString() {
return "I am a machine";
}
}
class camera extends machine {
@Override
public String toString() {
return "I am a camera";
}
}
public class PracticeGenerics {
public static void main(String[] args) {
ArrayList<machine> list = new ArrayList<machine>();
list.add(new machine());
list.add(new machine());
ArrayList<camera> list1 = new ArrayList<camera>();
list1.add(new camera());
list1.add(new camera());
showlist(list1);
}
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OUTPUT
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