Скачать или смотреть How to Extract Characters from a String in Java - ICSE Computer Applications |

In this video, we solve Competency Focused Question #74, a classic String manipulation problem for ICSE and ISC Computer Applications students. We learn how to parse a unique "Student Index Number" to extract the Class, Year, Center Number, and Student Index using Java string methods.

📌 Problem Statement Covered: "A student appearing for the ICSE/ISC Examination will be given an index number which is of the following format... The first digit represents the Board (1 for ICSE/Class 10, 2 for ISC/Class 12). The next two digits represent the Year. The next four digits represent the Center Number. The last three digits represent the Index Number."

💡 Concepts Learned:

How to use String.charAt() to check conditions.

How to use String.substring(start, end) to extract specific parts of a string.

How to use String.substring(start) to extract the end of a string.

Input handling with the Scanner class.

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#Java #ICSE #StringManipulation #Coding #ComputerApplications #ISC