CSC/ECE 517 Fall 2010/ch1 1e vs

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CSC/ECE 517 Fall 2010/ch1 1e vs

Introduction

This article compares and contrast block-structured languages and Object Oriented languages and also focuses on the advantages of Object-Oriented languages over the Block-structured languages. It also emphasizes on the usage of block structures in Object-Oriented programming.

What is a Block-Structured Language?

A block is a section of code which is grouped together and consists of one or more declarations and statements.

A block structured programming languages is a class of high level programming languages that allows the creation of blocks and includes the nested blocks as components where nesting could be extended to any depth. Block structured languages have a syntax such that the structures are enclosed within the bracketed keywords like if....fi in ALGOL language.

An example of a block looks as shown below:

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