SinceListallows duplicates this becomes a followup question of earlier Java collection framework interview question. SeeHow to check if ArrayList contains duplicates or notfor answer of this Java collection question. These were some of thefrequently asked Java collection framework interview questionyou ca...
This question is themost importantand is most likely to be asked at every job interview level. You must be very clear on this topic., not only because it is the most asked question but also it will open up your mind to further questions related to Collection APIs. The answer to this q...
For example, some Collection implementations like List allow duplicate elements whereas other implementations like Set don't. A lot of the Collection implementations have a public clone method. However, it doesn't make sense to include it in all implementations of Collection. This is because Collect...
If you are working on Enterprise applications, I am sure that JDBC API is a part of it. JDBC API provides database connectivity for relational databases, such as MySQL and Oracle. This article has a collection of 40+ interview questions related to the JDBC API. They cover areas from basic...
1.6.Java Collections Interview Questions Should I recommend you to prepare theCollection frameworkand all of its main classes? I guess you are already intelligent enough. Any interview (junior and mid-level) will be incomplete if there are no questions related to the Collections framework. It trul...
Difference between Vector and Arraylist is the most common Core Java Interview question you will come across in Collection . This question is mostly used as a start up question by the Interviewers before testing deep roots of the Collection . ...
Iterator is an interface which is used to step through the elements of a Collection. 6What is similarities/difference between an Abstract class and Interface? 6.1Similarities 6.1.1They can be used to implement the polymorphism. 6.1.2Both of them can not be instantiated. ...
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Another useful interview strategy is to review potential Java interview questions in advance. Let’s check out examples of some of the top Java interview questions. Also, each question includes some information that can help refresh your memory. ...
Looking forward to appear in Java Interview, here are the key 100+ Java Interview Questions with Answers only for you including some of the tricky questions with answers.Table of ContentsSr.No.Question 1 What are new Java8 Features? 2 Difference between GET & POST METHODS? 3 Difference betwee...