Refresh Your Java - Before Java Interview
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"Collections" could be used to perfome some operations like "sort()" , "synchronizedList()" etc., this uses "Command Design Pattern".
Collections.sort(questionVOList.getQuestionList(), new QuestionVOComparator());
public
static class QuestionVOComparator implements Comparator {
@Override
public int compare(Object o1,
Object o2) {
return ((QuestionVO)o1).getQuestionIdAsInt() -
((QuestionVO)o2).getQuestionIdAsInt();
}
}
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This Portal has More than 500 Java Interview Questions (also could be Considered as Quick Notes) very neatly separated topic by topic with simple diagrams which makes you easily understandable. Importantly these are from our Realtime expericance.