SWAP Statement

The SWAP statement is used to exchange the values of two variables.

Syntax

LN SWAP variable1, varaible2

Where,

LN      :  Line Number 

variable1  :  the first variable

variable2  :  the second variable

• Any type of variable may be swapped (numeric or string).
• To use SWAP, the two variables must be of the same type.

Use of SWAP statement in the program.

  CS 5.12 Display on the screen for SWAP statement

Ok

 LIST 

5      REM Learning the use of SWAP statement

10    A$ = "STUDENTS"  :  B$ = "TEACHERS"  :   C$ = "HELP"

20    PRINT A$, C$, B$

30   SWAP A$, B$

40  PRINT A$, C$, B$

50  END

Ok

RUN

STUDENTS     HELP  TEACHERS

TEACHERS     HELP  STUDENTS                     

Ok