1. what is static variables 2. what is a array 3. what is collections 4. Difference between c++ and java 5. what is java Architecture 6. what is java 7. what is Oops

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Static variables are variables that are shared among all instances of a class. Arrays are a data structure that stores a collection of elements. Collections are classes in Java that store and manipulate groups of objects. C++ and Java differ in syntax, memory management, and platform independence. Java architecture consists of JVM, JRE, and JDK. Java is a high-level programming language known for its platform independence. Object-oriented programming (OOP) is a programming paradigm based on the concept of objects.

Static variables are declared using the 'static' keyword in Java.
Arrays in Java are objects that store multiple values of the same data type.
Collections in Java include classes like ArrayList, LinkedList, and HashMap.
C++ is a statically typed language, while Java is a dynamically typed language.
Java architecture includes JVM (Java Virtual Machine), JRE (Java Runtime Environment), and JDK (Java Development Kit).
Java is a popular programming language used for developing web, mobile, and enterprise applications.
OOP focuses on creating objects that interact with each other to solve complex problems.

1. what is static variables 2. what is a array 3. what is collections 4. Difference between c++ and java 5. what is java Architecture 6. what is java 7. what is Oops

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