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Method Reference in Java

2 views • 3 years ago

Method reference is used to refer method of functional interface. It is compact and easy form of lambda expression. Each time when you are using lambda expression to just...

Parameters in Lambda Expression In Java

10 views • 3 years ago

The lambda expressions are easy and contain three parts like parameters (method arguments), arrow operator (->) and expressions (method body). The lambda expressions can be...

Introduction to Lambda Expression in Java

2 views • 3 years ago

Lambda Expressions were added in Java 8. A lambda expression is a short block of code which takes in parameters and returns a value. Lambda expressions are similar to methods,...

Built-in Annotations In Java

8 views • 3 years ago

Annotations are used for the following purposes: Instructions to the compiler: There are three types of built-in annotations @Deprecated, @Override, @SuppressWarnings that can...

User-Defined Annotation In Java

9 views • 3 years ago

AnnotationName is an interface. The parameter should not be associated with method declarations and throws clause should not be used with method declaration. Parameters will not...

Buil-in Annotations Java

4 views • 3 years ago

Annotations are used for the following purposes: Instructions to the compiler: There are three types of built-in annotations @Deprecated, @Override, @SuppressWarnings that can...

Java Documentation

9 views • 3 years ago

JavaDoc tool is a document generator tool in Java programming language for generating standard documentation in HTML format. It generates API documentation. It parses the...

Introduction to Reflection Package in java

2 views • 3 years ago

Reflection is a feature in the Java programming language. It allows an executing Java program to examine or "introspect" upon itself, and manipulate internal properties...

Math Class in Java

1 views • 3 years ago

Java Math Class in Java contains certain methods to perform different numeric operations, for instance, exponential, square root, logarithmic, trigonometric functions.

String vs StringBuffer vs StringBuilder in Java

2 views • 3 years ago

String is immutable whereas StringBuffer and StringBuilder are mutable classes. StringBuffer is thread-safe and synchronized whereas StringBuilder is not.