Data types in Java are divided into two kinds. boolean, char, int, short, byte, long, float, and double are examples of primitive data types. Object data types or non-primitive data types include things like strings, arrays, etc.
The goal of OOps in Java is to increase code readability and reuse by effectively defining Java program. Abstraction, encapsulation, inheritance, and polymorphism are the four basic foundational concepts of object-oriented programming. These ideas seek to incorporate actual entities into programming.
Primitive types and reference types are the two subcategories of types in the Java programming language. The boolean type and the numeric types are the primitive kinds (4.2) The floating-point types float and double as well as the integral types byte, short, int, long, and char make up the numeric types.
A Java expression called a boolean returns a true or false Boolean value. When we want to compare values to get answers, this is helpful.
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