g2801_2900.s2879_display_the_first_three_rows.readme.md Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of leetcode-in-java21 Show documentation
Show all versions of leetcode-in-java21 Show documentation
Java-based LeetCode algorithm problem solutions, regularly updated
2879\. Display the First Three Rows
Easy
DataFrame: `employees`
+-------------+--------+
| Column Name | Type |
+-------------+--------+
| employee_id | int |
| name | object |
| department | object |
| salary | int |
+-------------+--------+
Write a solution to display the **first `3`** rows of this DataFrame.
**Example 1:**
**Input:** DataFrame employees
+-------------+-----------+-----------------------+--------+
| employee_id | name | department | salary |
+-------------+-----------+-----------------------+--------+
| 3 | Bob | Operations | 48675 |
| 90 | Alice | Sales | 11096 |
| 9 | Tatiana | Engineering | 33805 |
| 60 | Annabelle | InformationTechnology | 37678 |
| 49 | Jonathan | HumanResources | 23793 |
| 43 | Khaled | Administration | 40454 |
+-------------+-----------+-----------------------+--------+
**Output:**
+-------------+---------+-------------+--------+
| employee_id | name | department | salary |
+-------------+---------+-------------+--------+
| 3 | Bob | Operations | 48675 |
| 90 | Alice | Sales | 11096 |
| 9 | Tatiana | Engineering | 33805 |
+-------------+---------+-------------+--------+
**Explanation:** Only the first 3 rows are displayed.