In mathematical logic, a predicate is commonly understood to be a Boolean-valued function P: X→ {true, false}, called the predicate on X. Informally, a predicate is a statement that may be true or false depending on the values of its variables. It can be thought of as an operator or function that returns a value that is either true or false. For example, predicates are sometimes used to indicate set membership: when talking about sets,
Read more 0Java has always been an Object Oriented programming language, it means we can't have a function without its class. Other programming languages like C++, PHP, Python, JavaScript and many more, where we write functions and use anywhere, all these languages support functional programming along with Object Oriented programming. Java introduced Functional interface & Lambda Expressions in Java 8, to leverage functional programming to reduce verbosity. What is functional Interface? A Functional Interface is an interface
Read more 1