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2_Computer Science Grade 10 String_manipulation presentation 2 1 variant.pptx
String manipulation
Learning objectives
10.4.1.2 use procedures and functions for string manipulation
Strategy "TABU"
Practical work
The task:
Write the program code to convert the entered strings to lower case.
Write a program code that determines whether the sentence is complete.
Write a program code to replace all characters in even positions by 1.
Write a program code that replaces in the line all occurrences of the word “dream” by “elephant”. * Check if a replacement will be performed for the words SON, etc. Why? Suggest a solution to the problem.
Write a program code that returns a string starting from 2 positions to the penultimate position. * Check what happens if the entered string will consist of only one or 2 characters.
Tasks selected * - differentiation.
Additional tasks:
1* Add a comment to the program code.
2 * Analyze when your program may produce an
incorrect result?
Descriptors | ball |
Describes a string type in program code. | 1 |
Defines the length of a string using the standard string processing function. | |
Uses a string processing function to replace characters / words. | |
Applies a cycle | |
Defines the result of the program | |
The program code does not contain errors |
Reflection
What have you learned in class?
Give examples of applications / games implemented these functions?
What functions can you put into practice?
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