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New posts in java
How to convert Map to List of User Object?
Jan 02, 2023
java
java-8
java-stream
What does actually Java stream reduce if only one of BinaryOperator argument is got summarized with itself?
Jan 03, 2023
java
java-stream
Get header of csv using jackson-dataformat-csv
Jan 02, 2023
java
csv
jackson
AAPT: error: resource android:attr/fontVariationSettings not found and resource android:attr/ttcIndex not found
Jan 03, 2023
java
android
android-gradle-plugin
android-support-library
android-support-design
Why a List<SuperClass> Object can be casted to a Subclass Object?
Jan 04, 2023
java
compiler-errors
Java 8 separate list elements by class
Jan 03, 2023
java
lambda
java-8
java-stream
Java7 WeakHashMap isEmpty() seems wrong
Jan 03, 2023
java
weakhashmap
How to provide Initial value OR Increment ID with JPA GenerationType.AUTO
Jan 03, 2023
java
hibernate
jpa
post
spring-data-jpa
How to nicely intersect two sets build from two maps?
Jan 04, 2023
java
dictionary
java-8
set
java-stream
Can I use two Vaadin versions in a single maven project(Vaadin7 and Vaadin8)
Jan 03, 2023
java
maven
vaadin
Using BiFunction in place of a Comparator does not work
Jan 03, 2023
java
generics
lambda
java-8
functional-interface
Java 12 intellij switch expressions doesn't work
Jan 03, 2023
java
intellij-idea
switch-statement
java-12
switch-expression
How to use mockito 3.0 with JUnit 5?
Jan 03, 2023
java
mockito
junit5
Lower bound generic in java does not compile even when passing super class
Jan 03, 2023
java
bounded-wildcard
Attribute ServerContainer not found in ServletContext
Jan 03, 2023
java
spring-boot
spring-websocket
spring-boot-test
tomcat9
Why I am getting NullPointerException in my ternary operator?
Jan 03, 2023
java
nullpointerexception
ternary-operator
how to check if an instance of an abstract object belongs to a particular subclass
Jan 03, 2023
java
object
inheritance
instance
abstract-class
Intercept annotated classes and methods in Spring AOP or AspectJ
Jan 03, 2023
java
spring-boot
annotations
aspectj
spring-aop
How Copy-On-Write is different from a direct lock / synchronized on write method?
Jan 02, 2023
java
multithreading
concurrency
How to set placeholder values in properties file in spring
Jan 03, 2023
java
spring
spring-boot
spring-mvc
spring-data-jpa
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