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...
Another Java collection question which appear as part ofJava Coding interview questionand appeared in many interviews. As you know there are multiple ways to traverse or iterate Map in Java e.g. for loop, while loop using Iterator etc.4 ways to iterator Map in Javahas detailed explanation and...
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...
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 . Vector , ArrayList classes are implemented using dynamic...
//howtodoinjava.com/java/collections/useful-java-collection-interview-questions/ 11. Difference between sleep and wait? //howtodoinjava.com/2013/03/08/difference-between-sleep-and-wait/ 12. Also asked some sql queries. Practice yourself. ...
// Appropriate method-related code. } E.g. Synchronizing a block of code inside a function: public myFunction (){ synchronized (this) { // Synchronized code here. } } 4What is Collection API? The Collection API is a set of classes and interfaces that support operation on collections of...
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...
All the Objects, their related instance variables, and arrays are stored in the heap. This memory is common and shared across multiple threads. 4) JVM language Stacks Java language Stacks store local variables, and it’s partial results. Each thread has its own JVM stack, created simultaneously...
Enhance java.util.Locale and related APIs to implement additional Unicode extensions of BCP 47 language tags. Enable the HotSpot VM to allocate the Java object heap on an alternative memory device, such as an NV-DIMM, specified by the user. ...
面试题地址:https://xiaolincoding.com/interview/https://xiaolincoding.com 发布于 2025-02-09 13:33 赞同2添加评论 分享收藏喜欢收起 java 香菇头,只做真实的自己,努力成就架构师 关注 金三银四已经接近尾声了,准确来说是金二银三铜四铁五,如此描述,说明今年的行情确实不太好...