X1240: HashTable for Student ID The student ID at a fictitious university encodes various pieces of information. The ID has the format 8YY-MMM-#### where YY is the year of admission, MMM is a code for the college of application, and #### is the sequential numeric order of processing. For example, a student with ID 822-123-0250 was admitted to the university in '22 into the college 123 and was the 250th admission processed that year. Given a string in this format, convert the string into a new string such as YY#### . Then use that key to store the full ID into a hashmap. Write a method that stores into the admissions hash map all of the recoded IDs. Remember, you add words to a HashMap by calling the put() method admissions.put( <>, <>). This admissions table is stored in a HashMap where the key is the converted student ID, and the value is the full representation for the student ID. So for the example above would result in an entry such as: admissions.put("220250", "822-123-0250") The solution looks like this:

X1240: HashTable for Student ID The student ID at a fictitious university encodes various pieces of information. The ID has the format 8YY-MMM-#### where YY is the year of admission, MMM is a code for the college of application, and #### is the sequential numeric order of processing. For example, a student with ID 822-123-0250 was admitted to the university in '22 into the college 123 and was the 250th admission processed that year. Given a string in this format, convert the string into a new string such as YY#### . Then use that key to store the full ID into a hashmap. Write a method that stores into the admissions hash map all of the recoded IDs. Remember, you add words to a HashMap by calling the put() method admissions.put( <>, <>). This admissions table is stored in a HashMap where the key is the converted student ID, and the value is the full representation for the student ID. So for the example above would result in an entry such as: admissions.put("220250", "822-123-0250") The solution looks like this:

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Code to start with:

public void addStudents(String[] ids)
{

}

**X1240: HashTable for Student ID**

The student ID at a fictitious university encodes various pieces of information. The ID has the format **8YY-MMM-####** where YY is the year of admission, MMM is a code for the college of application, and #### is the sequential numeric order of processing. For example, a student with ID 822-123-0250 was admitted to the university in ’22 into the college 123 and was the 250th admission processed that year.

Given a string in this format, convert the string into a new string such as **YY####**. Then use that key to store the full ID into a hashmap.

Write a method that stores into the `admissions` hash map all of the recoded IDs. Remember, you add words to a HashMap by calling the put() method `admissions.put( <encodedID>, <fullID> )`.

This `admissions` table is stored in a `HashMap<String, String>` where the key is the converted student ID, and the value is the full representation for the student ID. So for the example above would result in an entry such as:

```
admissions.put("220250", "822-123-0250")
```

The solution looks like this:

```java
void addStudents(String[] ids)
{
<<loop over all ids>>
<<convert id to YY#### format>>
<<put convertedID and originalID into admissions>>
}
```

In the provided code snippet, it outlines the basic structure for creating a hashmap and storing transformed student IDs alongside their full representations.

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