Add English translation: Java Basics Interview Questions (Part 1) - Issue #18

[0xsatoshi99]

Summary

Adds English translation of Java Basics Interview Questions (Part 1), continuing the English version effort from issue #18.

Changes

✅ New file: docs/java/basis/java-basic-questions-01_EN.md
✅ 1,141 lines of professional English content
✅ Complete translation of fundamental Java concepts
✅ High-quality translation using Claude AI

Content Covered

• Java language features and characteristics
• JVM, JDK, JRE differences and relationships
• Java compilation and execution process
• Primitive data types and wrapper classes
• Operators and expressions
• Methods (static vs instance, overloading vs overriding)
• Object-oriented programming basics
• Common interview questions and answers

Translation Quality

• ✅ All code examples preserved exactly
• ✅ All markdown formatting maintained
• ✅ Technical terms accurately translated
• ✅ Natural English for developers
• ✅ All links and references preserved

Impact

• Makes fundamental Java knowledge accessible to English speakers
• One of the most important files for beginners
• Complements the README_EN.md (PR Add English translation of README (README_EN.md) - Fixes #18 #2739)
• Part of ongoing effort to create full English version

Related to #18