GitHub

Java Interview Questions and Answers

500+ Java interview questions and answers for Junior, Middle, and Senior Java backend developers. Covers Spring Boot, Hibernate / JPA, SQL, PostgreSQL, Kafka, Docker ...
InfoWorld

Java Stream API tutorial: How to create and use Java streams

Get started with Java streams, including how to create streams from Java collections, the mechanics of a stream pipeline, examples of functional programming with Java streams, and more. You can think ...
Hacker

Embracing Coding Patterns: a Smarter Approach to Coding Interview Prep

Preparing for coding interviews can be a real challenge with developers often spending several weeks reviewing and learning new material. The truth is, that most developers never quite feel fully ...
blog.csdn

java题集（做过的PTA上的题以及期末考试练习题）

原创 最新推荐文章于 2026-07-07 12:32:42 发布 5.3k 阅读 AI 写同款· GEO 优化 › （找出最大的对象）编写一个方法，返回对象数组 ...
blog.csdn

Gson解析异常 Expected BEGIN_ARRAY but was BEGIN_OBJECT

由于之前跟服务器那边没有很好的沟通，导致这个问题到了后期服务器也不好修改了。 项目中使用的是rxjava ＋ retrofit2，发生这个错误 java.lang.IllegalStateException: Expected BEGIN_ARRAY but was BEGIN_OBJECT at ...
GitHub

Curated collection of useful little Java 8 functions that you can understand quickly.

Counts the occurrences of a value in an array. Use Arrays.stream().filter().count() to count total number of values that equals the specified value. Returns the difference between two arrays. Create a ...