### Programming Exercises on ArrayLists **4. Task** Complete the method: ```java public ArrayList minToFront(ArrayList list) ``` This method adds a copy of the smallest value in `list` at index 0, shifting the rest "down" one position, and returns the modified list. *Remember the Integer class constants we learned for min and max values!* --- **5. Task** Complete the method: ```java public ArrayList addOne(ArrayList list) ``` This method adds one to every element in `list` and returns the modified list. --- **6. Task** Complete the method: ```java public ArrayList removeDupes(ArrayList list) ``` This method removes the (back-to-back) duplicate value from `list`. Only one instance of the duplicate should remain in the list. --- **7. Task** Complete the method: ```java public ArrayList swapPairs(ArrayList list) ``` This method swaps every pair of numbers in `list` with the element immediately after it. So the first and second elements swap, the third and fourth elements swap, etc. If the ArrayList has an odd number of elements, the last element is ignored (remains the same). --- **8. Task** Complete the method: ```java public ArrayList removeLenN(ArrayList list, int n) ``` This method removes all Strings with a length of `n`. *Remember, the size of an ArrayList is dynamic—if you remove an element...*
### Programming Exercises on ArrayLists **4. Task** Complete the method: ```java public ArrayList minToFront(ArrayList list) ``` This method adds a copy of the smallest value in `list` at index 0, shifting the rest "down" one position, and returns the modified list. *Remember the Integer class constants we learned for min and max values!* --- **5. Task** Complete the method: ```java public ArrayList addOne(ArrayList list) ``` This method adds one to every element in `list` and returns the modified list. --- **6. Task** Complete the method: ```java public ArrayList removeDupes(ArrayList list) ``` This method removes the (back-to-back) duplicate value from `list`. Only one instance of the duplicate should remain in the list. --- **7. Task** Complete the method: ```java public ArrayList swapPairs(ArrayList list) ``` This method swaps every pair of numbers in `list` with the element immediately after it. So the first and second elements swap, the third and fourth elements swap, etc. If the ArrayList has an odd number of elements, the last element is ignored (remains the same). --- **8. Task** Complete the method: ```java public ArrayList removeLenN(ArrayList list, int n) ``` This method removes all Strings with a length of `n`. *Remember, the size of an ArrayList is dynamic—if you remove an element...*
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
Related questions
Question
how would you do number 4? This is a non graded practice lab.
Transcribed Image Text:### Programming Exercises on ArrayLists
**4. Task**
Complete the method:
```java
public ArrayList<Integer> minToFront(ArrayList<Integer> list)
```
This method adds a copy of the smallest value in `list` at index 0, shifting the rest "down" one position, and returns the modified list. *Remember the Integer class constants we learned for min and max values!*
---
**5. Task**
Complete the method:
```java
public ArrayList<Integer> addOne(ArrayList<Integer> list)
```
This method adds one to every element in `list` and returns the modified list.
---
**6. Task**
Complete the method:
```java
public ArrayList<String> removeDupes(ArrayList<String> list)
```
This method removes the (back-to-back) duplicate value from `list`. Only one instance of the duplicate should remain in the list.
---
**7. Task**
Complete the method:
```java
public ArrayList<Integer> swapPairs(ArrayList<Integer> list)
```
This method swaps every pair of numbers in `list` with the element immediately after it. So the first and second elements swap, the third and fourth elements swap, etc. If the ArrayList has an odd number of elements, the last element is ignored (remains the same).
---
**8. Task**
Complete the method:
```java
public ArrayList<String> removeLenN(ArrayList<String> list, int n)
```
This method removes all Strings with a length of `n`. *Remember, the size of an ArrayList is dynamic—if you remove an element...*
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