How it works
Upskill
Tech Blog
Log in
How it works
Upskill
Tech Blog
Log in
I'm hiring
Get started
Latest insights
from hackajob
All
ReactNative
Java
Tech Articles
Go
Javascript
Python
Remote
Tech Tutorial
Sainsbury's
Careers in tech
Home Office
2024
Kainos
2023
Android
Bet365
DWP Digital
tips
Career Growth
Data Engineering
Hiring
Women in Tech
django
dunelm
myhackajobstory
Career Progression
Diversity
LexisNexis Risk Solutions
Manchester
AI
AXA UK
BT
Boohoo Group
Data
Data Science
Diversity & Inclusion
Engineers
Events
Job Advice
Made Tech
Marks and Spencer
The Very Group
Waters Corporation
Work-Life Balance
advice
mental health
remotework
AXA Health
Airbus
BAE Systems Digital Intelligence
BDD
Biometric Data
Biopharma Technology
Blockchain
Bootcamp
C#
CGI
Career
Chief Architect
Cloud Engneer
Contract
DITL
Data Analyst
Databases
Day in the Life
Defence Industry
Designer
DevOps
Digital Transformation
Direct Line Group
Edinburgh
Enhancing Public Safety
Financial Times
GSK Onyx
Gearset
Grad Job
Guest Blog
Huel
IAG Loyalty
Interviewing
Job Interview
Jobs
Ledger
Leeds
Leonardo
Lexis Nexis
M&S
Machine Learning
ManTech
Mentorship
Mesh-AI
Microservices
N Brown
OAuth
OneStream
Podcast
Public Sector
PwC
QA
React
ReasonML
Recruitment
Return to Tech
Senior Content Designer
Sensor Tower
Sky Betting & Gaming
Social Security Scotland
Sourcery
Speechmatics
Technical Specialist
Technical tests
Technology
Tesco
UCAS
Universal Credit
User Experience Researchers
Version 1
Very Group
Web3
What The Tech
What We Learnt
World Yoga Day
Zühlke
account executive
angular
chatbot
delivery manager
dunnhumby
gatsby
kubernetes
node
team hackajob
tech
user experiences
More...
Mar 10, 2021
•
6 min read
Java
How to Implement Stacks and Queues in Java
By hackajob Staff
Feb 16, 2021
•
5 min read
Java
How to Implement Linked Lists in Java
By hackajob Staff
Jan 14, 2020
•
8 min read
Java
Concurrency and Improvements in Java 8: Part 2
By hackajob Staff
Dec 19, 2019
•
6 min read
Java
Type and Repeating Annotations Explained
By hackajob Staff
Dec 11, 2019
•
7 min read
Java
Concurrency and Improvements in Java 8: Part 1
By hackajob Staff
Nov 20, 2019
•
9 min read
Java
File IO: The Rundown
By hackajob Staff
Nov 18, 2019
•
9 min read
Java
Using the Optional Feature in Java 8
By hackajob Staff
Oct 31, 2019
•
8 min read
Java
Collectors in Java 8
By hackajob Staff
Oct 11, 2019
•
8 min read
Java
The Benefits of the Collection API in Java 8: Part 2
By hackajob Staff
Sep 18, 2019
•
8 min read
Java
The Benefits of the Collection API in Java 8: Part 1
By hackajob Staff
❮
1
2
❯
Upskill
and test your ability with Pathways, our learning and development platform.
Get Started
Ready to reach your potential?
Get Started