Answer: OOP concepts in Java are the main ideas behind Java’s Object Oriented Programming. They are abstraction, encapsulation, inheritance, and polymorphism. Grasping them is key to understanding how Java works. Basically, Java OOP concepts let us create working methods and variables, then re-use all or part of them without compromising security.
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In 1957, the first of the major languages appeared in the form of FORTRAN. Its name stands for FORmula TRANslating system. The language was designed at IBM for scientific computing. The components were very simple, and provided the programmer with low-level access to the computers innards.
Vertical alignment determines the position of the text within a section of a document relative to the top and bottom margins, and is often used to create a cover page.
21%4 is 1.
21-4=17
17-4=13
13-4=9
9-4=5
5-4=1