Java questions and answers
The JVM, collections, Spring and build tooling. Page 10 of 20.
Interview Questions practice on Codemia
Over 8,000 real interview questions from top companies, searchable by company and role.
Answers 541-600
- Create zip file from byte
- Creating a logical exclusive or operator in Java
- Creating a topic for Apache Kafka 0.9 Using Java
- Creating an array of objects in Java
- Creating log4j Async logger programmatically
- Creating runnable JAR with Gradle
- Creating training data for a Maxent classfier in Java
- C's equivalent of Java's ? extends Base in generics
- CSRF protection not working with Spring Security 6
- CSV API for Java
- Custom annotation on controller methods to intercept request and validate
- Custom Spring Boot 3 Starter does not create ConfigurationProperties beans
- Custom springboot autoconfiguration not detecting beans
- Custom thread pool in Java 8 parallel stream
- Daemon Threads Explanation
- Daemon Threads Explanation
- Database application.yml for Spring boot from applications.properties
- DataSource bean overriding in spring boot 2.1
- Date format in the json output using spring boot
- Dead letter queue (DLQ) for Kafka with spring-kafka
- Dealing with "java.lang.OutOfMemoryError PermGen space" error
- Dealing with Xerces hell in Java/Maven?
- Debugging multiple threads in eclipse
- Decentralized Clustering library for Java
- DecimalFormat.formatdouble in different threads
- Decision tree implementation issue in apache spark with java
- Declaring an unsigned int in Java
- Decode Base64 data in Java
- Default interface methods are only supported starting with Android 7.0 Nougat
- Default logging file for spring boot application
- Default maximumPoolSize for HikariCP
- Default value of 'boolean' and 'Boolean' in Java
- Delete directories recursively in Java
- Delete files, directories and buckets in amazon s3 java
- Dependency 'org.springframework.bootspring-boot-starter-web2.3.0.RELEASE' not found
- Deploying Java webapp to Tomcat 8 running in Docker container
- Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0
- Deprecated Java HttpClient - How hard can it be?
- Deserialization of JavaScript array to Java LinkedHashSet using Jackson and Spring doesn't remove duplicates
- Deserialize a json array to objects using Jackson and WebClient
- Deserialize a List<T> object with Gson?
- Deserialize Java 8 LocalDateTime with JacksonMapper
- Deserializing different JSON payload from same Kafka topic with Spring Kafka
- Determine if a String is an Integer in Java
- Determine which JAR file a class is from
- Developing for Android in Eclipse R.java not regenerating
- Developing spring boot application with lower footprint
- Difference between _JAVA_OPTIONS, JAVA_TOOL_OPTIONS and JAVA_OPTS
- Difference between <? super T> and <? extends T> in Java
- Difference between applicationContext.xml and spring-servlet.xml in Spring Framework
- Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
- Difference between Codahale metrics and Dropwizard metrics
- Difference between CompletableFuture, Future and RxJava''s Observable
- Difference between CompletableFuture, Future and RxJava''s Observable
- Difference between CompletableFuture, Future and RxJava''s Observable
- Difference between <contextannotation-config> and <contextcomponent-scan>
- Difference between Controller and RouterFunction in Spring 5 WebFlux
- Difference between DeferedResult and CompletableFeature
- Difference between DTO, VO, POJO, JavaBeans?
- Difference between EntityScan and ComponentScan
Course
Intermediate
27 lessons
14 hours
OOD Fundamentals
Master object-oriented design from first principles, SOLID, design patterns, and classic interview problems with hands-on coding.
View the course