Immutable Classes in Java
Learn about immutable objects, records and collections in Java and create a Java class immutable step by step with examples.
“Core Java” is Sun’s term, used to refer to Java SE, the standard edition and a set of related technologies, like the Java VM, CORBA, etc. This is mostly to differentiate from others like Java ME or Java EE. “Core Java” is Oracle’s definition and refers to subset of Java SE technologies.
The Core Java technologies and application programming interfaces (APIs) are the foundation of the Java Platform, Standard Edition (Java SE). They are used in all classes of Java programming, from desktop applications to Java EE applications.
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Tutorials
Java String Interview Questions
All of us must have gone though interview questions related to String class in java. These String interview questions range from immutability to memory leak issues.
Java List Sorting: Comparable and Comparator Examples
Easy to follow examples of sorting a collection of objects in any order using Comparable or Comparator Interfaces.
Java ThreadPoolExecutor with BlockingQueue
Java ThreadPoolExecutor & BlockingQueue example to run a demo task with fixed size thread pool. Also, learn to use RejectedExecutionHandler.
Difference between Encapsulation and Abstraction in Java
In Java, abstraction and encapsulation help in creating abstract actors in the system. Encapsulation is the realization of abstraction.
Difference between Interface and Abstract Class in Java
Learn about java abstract classes vs interfaces in detail and when to use interfaces and abstract classes in solving design issues in Java 8.
Abstraction in Java
In simple words, java abstraction captures only those details about an object that is relevant to the current perspective. Learn more about abstraction in java.
How to Create a Deadlock and Solve in Java
Learn to create a deadlock in Java programmatically, with an example. Also, learn to detect deadlock and how to solve a deadlock situation.
Internal Working of HashMap: How HashMap Works?
Learn how hashmap works internally in java with example. Learn the hashmap internal implementation analysis, collision resolution and Java 8 hashmap update.
