Introduction to QBASIC
Control Statement
Branching Statement
Looping Statement
Library Function
Array in QBASIC
Modular Programming
File Handling
Introduction to QBASIC
Introduction to QBasic Elements of QBASIC Operators in QBASIC Qbasic Statements
Control Statement
Control Statements in QBASIC
Branching Statement
IF ... THEN Statement IF ... THEN .... ELSE Statement IF ... THEN ... ELSEIF Statement SELECT CASE Statement GOTO Statement
Looping Statement
Introduction FOR ... NEXT Loop WHILE .... WEND DO ... LOOP Nested Loop in QBASIC
Library Function
Library Function in QBASIC Mathematical Library Functions (QBASIC) String Library Functions (QBASIC)
Array in QBASIC
Array in QBASIC
Modular Programming
Concept of Modular Programming SUB Procedure (QBASIC) FUNCTION Procedure (QBASIC)
File Handling
File Handling (QBASIC)

Introduction

The process of repeating or doing same task many times until the given condition is true is called looping or iteration. There are different looping statements are used in QBASIC such as FOR ... NEXT, WHILE .... WEND, DO ... LOOP, etc. It allows a specified group of statements to be executed a certain number of times while certain condition is true. Among these looping statements FOR ... NEXT is the most common and popular looping statement.

Types of Loops in QBASIC

  1. FOR ... NEXT 
  2. WHILE ... WEND 
  3. DO LOOP

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