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留学神社
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留学神社

University, professor, research and company data in one place for checking plans to study and work in Japan.

  • Pathways
  • All tools

Founder's picks

  • Find professors by research directionUse your research direction and profile to narrow the professors worth contacting.
  • Shape a research planShape the question, method and feasibility, then check the draft before submission.
  • Practice for graduate examsPractice by subject with exam-style drills and worked answers before test day.
  • Polish one ESFocus on one company and refine each ES answer from your profile and STAR stories.

Before Japan

  • Route planner
  • How to choose a language school
  • Undergrad school ladder
  • Pre-departure checklist

Research & outreach

  • Research direction
  • Statement of purpose
  • Professor outreach
  • Scholarship finder

Careers in Japan

  • Self-analysis
  • Company research
  • Job interview prep

Data center

  • Data foundation overview
  • University data
  • Professor & researcher data
  • Company deep-dive library

Services

  • Exam dojo
  • Advisor desk
  • Living in Japan
  • Pricing
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Ryugaku Jinja provides decision support and data references. Confirm eligibility, application requirements, and final decisions against current official sources.

Data references: KAKEN · CiNii · researchmap · official university and institutional sites© 2026 Ryugaku Jinja
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PRACTICE DOJO

Java Silver (SE 17)

Java Silver SE 17 (1Z0-825-JPN) is Oracle's entry-level Java certification, testing basic use of the language and standard library.

Start practiceStudy logMy wrongbookStudy summaryKey-point indexExam strategy

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EXAM OVERVIEW

Java Silver (SE 17)

Java Silver SE 17 (1Z0-825-JPN) is Oracle's entry-level Java certification, testing basic use of the language and standard library.

Question bank
1,052
Exam format
60 items / 90 min
Scoring / pass mark
Check the Oracle exam page
Scope basis
1Z0-825-JPN exam topics

EXAM OVERVIEW

Know the exam before you train

Review the question bank and training sections, then start training.

Training sections
6
Display modes
Japanese + Chinese · Japanese only · Japanese + English
Defining classes and using instances276Java basic data types and string manipulation262Using inheritance and interfaces202Operators and control flow193Java overview and creating simple Java programs136Exception handling133Creating methods and constructors88Creating and manipulating strings (including text blocks)80Declaring, instantiating, initializing, and using one- and two-dimensional arrays61Reference type casting and polymorphic method calls57Using loops (do/while, while, for, and enhanced for)51Method overloading50Static variables and methods42Using default and private methods41Compiling and running Java programs from the command line40Using access modifiers39Exception handling and differences among checked exceptions, unchecked exceptions, and errors38Handling exceptions with try-catch38Pattern matching with instanceof37Using branching statements (if, if/else, switch)36Using packages (package declarations and imports)35Method overriding32Local variable type inference (var)31Handling exceptions with try-with-resources30Creating and extending abstract classes27Creating an executable Java program with a main method26Variable declaration, initialization, and scope25Creating and implementing interfaces23Using switch expressions19Creating and using superclasses and subclasses17…and 8 more categories

12 calendar months — $14.90 (tax incl.) · approx. ¥2,240

For other exams, each account can practice up to 20 questions per day for free across all paid question banks. Supported exams also include one free mock per month. The driving-license exam offers the full question bank, topic-based random practice, mistake history, and Miko text replies free (20 per hour). Images require a membership or Dojo Pass.

Recommended training path

  1. 01Understand the scopeSections, formats and difficulty spread are all readable without an account.
  2. 02Focused drillsPick one section or knowledge area and drill only that.
  3. 03Review mistakesWrong answers go to your wrongbook and come back when review is due.
  4. 04Timed mockSit a full timed paper at the pace of the real exam.
Training starts here

Your practice history is saved to your account. Start training and we'll take you to the next step.