HASHMAP 1. Build a Java application that makes the following association for colors: 1 Red 2 Green з вlack 4 White 5 Blue 2. Change the program to count the number of key-value (size) mappings in a map. 3. Change the program to copy all the mappings from the exiting hashmap to a new hashmap. 4. Change the program to check if the firsthasmap has the key 4. 5. Change the program to create a set view of the mappings contained in a map. 6. Change the program to print the value of a key 3. 7. Change the program to create a set of the keys from the hashmap. 8. Change the program to remove the mapping of key 2 from the hashmap. 9. Change the program to change the value for key 5 to "YELLOW".
HASHMAP 1. Build a Java application that makes the following association for colors: 1 Red 2 Green з вlack 4 White 5 Blue 2. Change the program to count the number of key-value (size) mappings in a map. 3. Change the program to copy all the mappings from the exiting hashmap to a new hashmap. 4. Change the program to check if the firsthasmap has the key 4. 5. Change the program to create a set view of the mappings contained in a map. 6. Change the program to print the value of a key 3. 7. Change the program to create a set of the keys from the hashmap. 8. Change the program to remove the mapping of key 2 from the hashmap. 9. Change the program to change the value for key 5 to "YELLOW".
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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In java please help with the following:
Transcribed Image Text:HASHMΑΡ
1. Build a Java application that makes the following association for colors:
1 Red
2 Green
3 Black
4 White
5 Blue
2. Change the program to count the number of key-value (size) mappings in a map.
3. Change the program to copy all the mappings from the exiting hashmap to a new hashmap.
4. Change the program to check if the firsthasmap has the key 4.
5. Change the program to create a set view of the mappings contained in a map.
6.
Change the program to print the value of a key 3.
7.
Change the program to create a set of the keys from the hashmap.
8. Change the program to remove the mapping of key 2 from the hashmap.
9. Change the program to change the value for key 5 to "YELLOW".
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