Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities

$2,310

  • 2 days
  • Onsite
  • 10 people max.
Ref: MSA505
10 people max.
$2,310
In-company rate: from $4,190 for the whole team
On-site and certification exam on quote
2 days
Onsite

Don't let this gap widen

Why this program matters

  • Without mastering Apache Commons Lang, Java developers lose an average of 30% of their time manually coding basic utilities for strings, dates, and validations.

  • This creates project delays estimated at 15 days per sprint, for a direct cost of 8 000 € per team of 5 developers.

  • Worse, 35% of production incidents in Java applications stem from errors in these operations, exposing the company to data losses and a damaged reputation.

  • Every month without these skills, technical debt piles up, threatening competitiveness and engineers' promotions.

Imed BEN AMOR, Learni trainer · Development expert
Imed BEN AMOR

Learni trainer · Development expert

73%productivity gap
×3cost of inaction
Flag of the United StatesBuilt for US teams
Payment by wire transferEnhanced confidentialityPerfect for companies with 50 to 500 employeesScheduling to fit any time zone

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  • Microsoft

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Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft and Microsoft.

Apache Commons Lang training objectives

  • Understand the benefits and architecture of Apache Commons Lang
  • Know how to integrate Apache Commons Lang into a Java project (with or without Maven/Gradle)
  • Master the main utility classes (StringUtils, NumberUtils, RandomStringUtils, ObjectUtils, ArrayUtils, etc.)
  • Effectively use utility methods for text, number, object, date, or array processing
  • Optimize Java code to make it more readable and robust using Apache Commons Lang
  • Develop unit tests leveraging the library's features

Apache Commons Lang curriculum: 3 modules over 2 days

Module 1 : Introduction to Apache Commons Lang and Integration into a Java Project

General presentation of the Apache Commons library, focus on the Lang module, usage context and use cases. Setting up the work environment. Installing the dependency via Maven or Gradle. Project structure and documentation. Quick presentation of alternatives.

Module 2 : Exploiting StringUtils and Advanced String Manipulation

Detailed exploration of StringUtils: cleaning, parsing, padding, case manipulation, advanced search and comparison. Practical examples and rewriting common native Java treatments with StringUtils. Real business use cases.

Module 3 : Numeric, Array, Object, and Random Utilities: NumberUtils, ObjectUtils, ArrayUtils, RandomStringUtils

Secure manipulation of numeric values (NumberUtils), elegant handling of null values and comparisons (ObjectUtils), array operations (ArrayUtils). Random string generation and hashing (RandomStringUtils). Practical exercises and algorithm optimization.

How Apache Commons Lang skills are assessed

  • Daily corrected practical exercises
  • MCQ and mini Java project at the end of the training: refactor business code to make it more robust and readable with Apache Commons Lang

How the Apache Commons Lang course is taught

  • Lectures via videoconference with code demonstrations
  • Practical implementations live on real business cases
  • Downloadable course materials and code examples

Apache Commons Lang training: access and practical arrangements

The Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.

The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.

Equipment required

For the smooth delivery of the Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities program, the following equipment is required:

  • Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
  • Training environments installed on workstations or accessible online
  • Course materials, hands-on exercises and complementary resources
  • Post-training access to materials and educational resources

For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.

* contact us for remote delivery feasibility** ratio varies depending on the program

Skills assessment methods

Assessment of skills acquired during the Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities program is performed through:

  • During training: case studies, hands-on labs and professional scenarios
  • End of training: self-assessment questionnaire and skills evaluation by the trainer
  • After training: completion certificate detailing acquired skills

Program accessibility

Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.

Enrollment terms and lead times

Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.

The Learni story

Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.

Our method

How Learni guarantees the quality of your Apache Commons Lang training

Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.

Step 1

Rigorous trainer selection

Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.

  • Triple validation: technical, pedagogical, sectoral.
  • Minimum rating 4.8/5 over the last 12 sessions.
Step 2

You meet the trainer beforehand

30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.

  • Live briefing on goals and team context.
  • Veto right — we swap the trainer for free if needed.
Step 3

Content tailored to your context

No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.

  • Hands-on cases drawn from your stack and projects.
  • Program co-written then validated by your team.
Step 4

Continuous quality follow-up

Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.

  • NPS, knowledge quizzes and skills self-assessment.
  • Satisfaction guarantee: fully satisfied or free rework.

A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.

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Our social commitment

A school kit donated to a child for every training booked

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.

  • Backpack, notebooks and essential supplies
  • Distributed through our partner charities
  • Included, at no extra cost to you
Enroll and offer a kit
FAQ

Apache Commons Lang: frequently asked questions

What can participants do after Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training?+
They can understand the benefits and architecture of Apache Commons Lang, know how to integrate Apache Commons Lang into a Java project (with or without Maven/Gradle) and master the main utility classes (StringUtils, NumberUtils, RandomStringUtils, ObjectUtils, ArrayUtils, etc.). Those are the stated objectives of the Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities program at Intermediate level, checked by the end-of-session assessment.
What does the Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities program cover, day by day?+
Day 1: Introduction to Apache Commons Lang and Integration into a Java Project. Day 2: Exploiting StringUtils and Advanced String Manipulation. Day 3: Numeric, Array, Object, and Random Utilities: NumberUtils, ObjectUtils, ArrayUtils, RandomStringUtils. The Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities program runs over 2 days, delivered on site.
How is Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training assessed?+
Assessment relies on daily corrected practical exercises and MCQ and mini Java project at the end of the training: refactor business code to make it more robust and readable with Apache Commons Lang. Learni issues a completion certificate together with the individual assessment report at the end of the Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities program, which an L&D team can file as evidence.
How much does Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training cost per participant?+
Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training costs $2,310 per participant. For an in-company team, the flat rate starts at $4,190 for the whole group, up to 8 people. The detailed quote, sent within one business day, adjusts the amount to the format and how far the syllabus is tailored to your team.
How long does Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training take?+
2 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.
Who pays for Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training?+
Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
What do participants need to know before Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training?+
Good knowledge of the Java language (syntax, collections, object-oriented concepts).
Is a certificate issued after Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.
Does Learni provide the equipment for Training: Mastering Apache Commons Lang: Optimize Your Java Projects with Essential Utilities training?+
No. A computer and a stable internet connection are required for each participant. Learni provides the learning platform, the trainer and all course materials.
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