Creates a proper hierarchical structure which makes it easier to locate the related classes 2. Why pointers are not used in Java? Java doesn’t use pointers because they are unsafe and increases the complexity of the program. Since, Java is known for its simplicity of code, adding the concep...
Basic Java Interview QuestionsBelow are five examples of basic java problems. These questions are simple in nature, testing only one concept. They are meant to be solved in a collaborative integrated development environment (IDE). You can access the sample inputs, sample outputs, and base code ...
such as MySQL and Oracle. This article has a collection of 40+ interview questions related to the JDBC API. They cover areas from basic Connection to DataSource to Connection Pooling. It will help you in interviews for questions
The first two articles: Java Basics Common Knowledge Points & Interview Questions Summary (Part 1), the latest version in 2022! Java basic common knowledge points & interview questions summary (in), the latest version of 2022 abnormal Java exception class hierarchy diagram overview: What is the ...
https://hit-alibaba.github.io/interview/basic/network/TCP.html TIME_WAIT 和 CLOSE_WAIT 的区别。 TIME_WAIT状态就是用来重发可能丢失的ACK报文。 TIME_WAIT 表示主动关闭,CLOSE_WAIT 表示被动关闭。 说说你知道的几种 HTTP 响应码,比如 200, 302, 404。
Basic Java Interview Questions Q1. Explain JDK, JRE and JVM? JDK vs JRE vs JVM JDK JRE JVM It stands for Java Development Kit. It stands for Java Runtime Environment. It stands for Java Virtual Machine. It is the tool necessary to compile, document and package Java programs. JRE refers...
Java Basic Interview Questions 1. Why is Java a platform independent language? Java language was developed in such a way that it does not depend on any hardware or software due to the fact that the compiler compiles the code and then converts it to platform-independent byte code which can...
It is one of the java interview questions for freshers. Of course not 100% freshers, but this question tests understanding of basic design principles, and the ability to apply them. In particular, adhering to the “open to extension, closed to modification” principle helps to write decoupled,...
JavaScript is a vast topic. The list ofJava basic interview questionscould be endless. But we hope you’ve found this comprehensive list ofJava coding interview questionswe made for you, informative and helpful. To handleadvanced Java interview questions,it would be a great idea to get a bette...
Java Interview Questions/Java面试题 . What is transient variable? Transient variable can't be serialize. For example if a variable is declared as transient in a Serializable class and the class is written to an ObjectStream, the value of the variable can't be written to the stream instead ...