core java interview questions

is read, and the way in which MySQL is synchronized from the slave Database 52. MySQL storage engine 53. Default isolation level for MySQL and other isolation levels 54. Reverse a linked list (use three pointers, but send only one at a time) 55. Implementation Principles of Spring AOP. 56. When will Memory leakage occur? What exceptions will Memory leakage cause? 57. Have you used autowire annotation? 58. Spring bean Injection Method 59. execution sequence of various SQL statements, such as sel

special place where constants are placed. -Program End Release 5 Code area of the program, storing 2 binary code. The variables defined in the function body are usually on the stack, and the allocated memory functions such as malloc, Calloc, realloc, etc. are allocated on the heap. The global amount is defined in the body of all functions, and after the static modifier is placed in the global zone (static zone), the static variable defined in the body of all functions is valid in the file and c

system will give a warning or exit The assertion check is usually disabled. Dome: Package com. huawei. interview; public class AssertTest {/*** @ param args */public static void main (String [] args) {// TODO Auto-generated method stubint I = 0; for (I = 0; I 　　 11. Is there any memory leakage in java? Please briefly describe it. Yes. For example: int I, i2; return (i-i2); // when I is a positive number

Win in interview Java multithreading (11), interview java Multithreading121. What is a thread? A thread is the smallest unit that the operating system can schedule operations. It is included in the process and is the actual operating unit of the process. Programmers can program with multiple processors. You can use mul

20 Linux Command interview questions and answers below:Q: 1 How do I see the running level of the current Linux server? A: The ' who-r ' and ' runlevel ' commands can be used to view the running level of the current Linux server. 　　 Q: 2 How to view the Linux default gateway? A: With the "Route-n" and "NETSTAT-NR" commands, we can view the default gateway. In addition to the default gateway information, the

Last week wrote an article, database aspects of interview skills, how to display their ability from the table, courtesy of the administrator to lift, put in the home, but also thanks to you love, two days in the harvest of nearly 770 clicks, also once entered the 48-hour hot list.In order to thank the Administrator and everyone for their support, and then based on my interview experience, an original articl

environment. The Web container is more of a deal with HTTP-based requests. And the EJB container is not. It is more about dealing with databases and other services. But they are all interacting with the outside world to reduce the burden on the application. For example, the servlet does not care about the details of HTTP, directly referencing the environment variable session,request,response, EJB does not care about the database connection speed, various transaction control, directly by the con

sympathetic exercise that you give others feedback on the work of other people.ConclusionThe issues covered in this article cover a wide range of topics that iOS developers should be aware of. This is by no means a complete list. These questions are based on the research I've done for this book, the "iOS Interview Guide" I published. This book is close to the interview