随笔分类 -  java

Top 75 Java Interview Questions You Must Prepare In 2018
摘要：Basic Java Interview Questions Q1. Explain JDK, JRE and JVM? JDK vs JRE vs JVM Q2. Explain public static void main(String args[]). public : Public is 阅读全文
posted @ 2018-07-15 17:42 VickyFengYu 阅读(472) 评论(0) 推荐(0)
JAVA中四个二进制位从操作符即（&按位与、|按位货、^按位异或、~按位取反）
摘要：原文: http://guispor7.iteye.com/blog/936664 按位与运算符（&） 参加运算的两个数据，按二进制位进行“与”运算。 运算规则：0&0=0; 0&1=0; 1&0=0; 1&1=1; 即：两位同时为“1”，结果才为“1”，否则为0 例如：3&5 即 0000 001 阅读全文
posted @ 2018-07-11 14:07 VickyFengYu 阅读(811) 评论(0) 推荐(0)
How does Java HashMap or LinkedHahsMap handles collisions
摘要：Prior to Java 8, HashMap and all other hash table based Map implementation classes in Java handle collision by chaining, i.e. they use linked list to 阅读全文
posted @ 2018-07-07 08:06 VickyFengYu 阅读(196) 评论(0) 推荐(0)
HashMap Performance Improvements in Java 8
摘要：https://dzone.com/articles/hashmap-performance https://javarevisited.blogspot.com/2016/01/how-does-java-hashmap-or-linkedhahsmap-handles.html 阅读全文
posted @ 2018-07-06 21:02 VickyFengYu 阅读(114) 评论(0) 推荐(0)
Java Multithreading Interview Questions
摘要：https://www.javatpoint.com/java-multithreading-interview-questions 1) What is multithreading? Multithreading is a process of executing multiple thread 阅读全文
posted @ 2018-07-04 17:22 VickyFengYu 阅读(171) 评论(0) 推荐(0)
Questions on Spring Boot – Part 3
摘要：What is Hot swapping in spring boot? What is Hot swapping in spring boot? Reloading the changes without restarting the server is called hot swapping, 阅读全文
posted @ 2018-06-17 14:54 VickyFengYu 阅读(150) 评论(0) 推荐(0)
Spring Boot Questions- Part 2
摘要：What is spring-boot-devtools ? What is spring-boot-devtools ? Applications that use spring-boot-devtools will automatically restart whenever files on 阅读全文
posted @ 2018-06-17 14:53 VickyFengYu 阅读(134) 评论(0) 推荐(0)
Spring Boot Questions- Part 1
摘要：What is Spring Boot? Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can “just run”.You can use S 阅读全文
posted @ 2018-06-17 14:52 VickyFengYu 阅读(111) 评论(0) 推荐(0)
Kafka
摘要：https://www.janbasktraining.com/blog/kafka-interview-questions-answers/ 阅读全文
posted @ 2018-06-16 23:15 VickyFengYu 阅读(69) 评论(0) 推荐(0)
Spring Boot
摘要：http://candidjava.com/tutorial/spring-boot-interview-questions/ http://candidjava.com/tutorial/spring-boot-questions-part-2/ http://candidjava.com/tut 阅读全文
posted @ 2018-06-16 23:07 VickyFengYu 阅读(84) 评论(0) 推荐(0)
Spring
摘要：1) What is Spring? It is a lightweight, loosely coupled and integrated framework for developing enterprise applications in java. 2) What are the advan 阅读全文
posted @ 2018-06-16 22:56 VickyFengYu 阅读(142) 评论(0) 推荐(0)
Multithreading
摘要：1) What is multithreading? Multithreading is a process of executing multiple threads simultaneously. Its main advantage is: Threads share the same add 阅读全文
posted @ 2018-06-16 22:52 VickyFengYu 阅读(211) 评论(0) 推荐(0)