jvm interview questions

separately, which belongs to the salvage function operation.Interview question: Please explain the difference between ArrayList and Vector.· These two classes are subclasses of the List interface;· The Vector class is provided at JDK 1.0, and the method of operation provided is synchronous, so it is thread-safeThe Operation class;· The ArrayList class is provided at JDK 1.2, and the method provided is asynchronous, so it belongs to the non-linearProcess-safe Operation classes.If later in develo

[Switch] Top 50 Java thread interview questions, javatop No matter whether you are a new programmer or veteran, you must have encountered thread problems during the interview. An important feature of Java is its built-in support for concurrency, which makes Java popular among enterprises and programmers. Most well-received Java Development jobs require developer

[Sword refers to Offer learning] [summary of all interview questions], and sword refers to offer question Summary Offoffer Learning I have learned a lot from this book, and now I am working on a general directory for my reference. If I want to learn it, I will leave without going in. Only by constantly learning can we keep up with the technology trend! Directory Question 01-10 [Sword refers to Offer learni

Let's talk about some questions about the java programmer interview. This blog post is intended for recent graduates and java programmers who have been working for about two or three years. Why do I need to change jobs? This is a broad question. Everyone has an answer. For example: The company is not well-treated, The salary increase does not meet the expected requirements, Tired of the hard work of travel

Links: http://ifeve.com/java-multi-threading-concurrency-interview-questions-with-answers/Original: Http://www.journaldev.com/1162/java-multi-threading-concurrency-interview-questions-with-answersMultithreading and concurrency issues are among the questions that interviewers

: This article mainly introduces the Programmer Interview: the top 42 questions and answers in the telephone interview (I). If you are interested in the PHP Tutorial, please refer to it. This year is July 2015. in the past few years, electronic Interview (Telephone interview

(throughput) collector? The throughput collector uses a parallel version of the new generation garbage collector, which is used for medium-sized and large-scale data applications. The serial collector is sufficient for most small applications, which require about 100M of memory on modern processors. 41. In Java, when can objects be garbage collected? This object can be recycled when the object becomes inaccessible to applications that currently use the object. 42. Will garbage collection occur

the maximum N number, n 113. Underlying Implementation of linkedhashmap 114. What does the system do if no version number is specified for the version number of the class during serialization? What if a field is added? 115. What are the differences between override and overload? 116. How is Java reflection implemented? Java development engineers who have been working for one or five years can join our Java architecture discussion group: 760940986 (relevant

Original link: http://ifeve.com/java-multi-threading-concurrency-interview-questions-with-answers/Multithreading and concurrency issues are among the questions that interviewers prefer to ask in a Java technology interview. Here, the most important questions are listed from

so file not foundNoclassdeffounderror: You can find the right class at compile time, but you can't find the right class at runtime.Iv. outofmemoryerror (Memory overflow)Cause:1, the amount of data loaded in memory is too large, such as the last time to remove too much data from the database.2, the collection class has a reference to the object, after use is not emptied, so that the JVM can not be recycled.3. There are dead loops or loops in the code

Java Interview Questions Library recommendation Directory (?) [-] 324 Java interview questions for IT Enterprises Introduction 324 Java interview questions for IT Enterprises Example Go to Chapter 324 of the 1st Java

Multithreading and concurrency issues are among the questions that interviewers prefer to ask in a Java technology interview. Here, the most important questions are listed from the interview point of view, but you should still have a solid grasp of the basics of Java multithreading to match the problems you encounter l

Java interview 30 Question 1: What are the differences between final, finally, and finalize.Second, can anonymous inner class (anonymous internal class) be extends (inherited) other classes, or implements (implemented) interface (Interface )?Third, the difference between static nested class and inner class is that the more you say, the better (the more general the interview

Multithreading and concurrency issues are among the questions that interviewers prefer to ask in a Java technology interview. Here, the most important questions are listed from the interview point of view, but you should still have a solid grasp of the basics of Java multithreading to match the problems you encounter l

 original link Connection author : Pankaj translator : Zheng Xudong proofreading : Fang FeiMultithreading and concurrency issues are among the questions that interviewers prefer to ask in a Java technology interview. Here, the most important questions are listed from the interview point of view, but you should still

Multithreading and concurrency issues are among the questions that interviewers prefer to ask in a Java technology interview. Here, the most important questions are listed from the interview point of view, but you should still have a solid grasp of the basics of Java multithreading to match the problems you encounter l

JVM virtual machine" Basic can answer this degree, in fact, to this extent I have been more than expected. Also less than 10%.4. In addition to 3, can also be clear serial, parallel (collation/Not defragment), CMS, such as the role of the collector can be the age, characteristics, advantages and disadvantages, and can explain the control/adjustment of the collector selection method.Analysis: The 4th with the above 2 questions.Finally introduce your o

Some recent interview questions Python has encountered (iii)Sort out some of the high-frequency interview questions that were recently asked. Summarize the convenience of future review and consolidation, and hope to help some friends.First two points this ↓Some recent interview