Check out example codes for "declare generic set java". It will help you in understanding the concepts better.
Code Example 1
Set<String> set = new HashSet<String>;
for(String aString : set) {
System.out.println(aString);
}
Code Example 2
Set<String> set = new HashSet<String>;
Iterator<String> iterator = set.iterator();
while(iterator.hasNext()){
String aString = iterator.next();
}
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