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Write Code Segments that Require ArrayLists and iteration.
Your Turn
Write program code to complete the provided tasks.
Run the code in the Java Playground to see if your code generates the desired result.
Make necessary changes until you have satisfied the tasks.
Iterate over ArrayList Tutorial
Practice 1: Daily High Temperatures
Given the
ArrayList temps
that contains daily high temperatures, write program code to print the all temperatures above 100.
Try the code in the Java Playground to verify your prediction.
Practice 2: Personalize Messages
Given the
ArrayList guests
, print a personalized welcome message for each attendee of a party (e.g., "Welcome, Maria!").
Try the code in the Java Playground to verify your prediction.
Practice 3: Longest String
Given the
ArrayList words
, write code to find and print the word with the longest string.
Try the code in the Java Playground to verify your prediction.
Practice 4: Make File Name
Given the
ArrayList filenames
, write code to add
.jpg
to the end of each file name that doesn't already end this way.
Try the code in the Java Playground to verify your prediction.
Practice 5: Average Mileage
Given the
ArrayList mileage
, write code to calculate and print the average mileage.
Try the code in the Java Playground to verify your prediction.