Java 8 vs Java 11

Last Updated : 22 Jan, 2026

Java 8 and Java 11 are two widely used Java versions released by Oracle in 2014 and 2018, respectively. This article explains their features, requirements, and key differences in a simple and beginner-friendly manner.

Java 8

Java 8 is considered a revolutionary release of Java as it introduced major language and API enhancements. Even today, a large number of enterprise applications still run on Java 8.

System Requirements for Java 8

  • RAM: 128 MB or more
  • Disk Space: 124 MB for JRE
  • Java Updates: 2 MB
  • CPU: Pentium 2, minimum 266 MHz

Key Features of Java 8

  • Introduction of Lambda Expressions
  • Stream API for functional-style operations
  • Improved performance and productivity
  • Strong security features
  • Open and community-driven platform
  • Commercial licensing available from Oracle

Java 11

Java 11 is a Long-Term Support (LTS) release and an open-source implementation of the Java Platform. It focuses on performance improvements, security enhancements, and removal of outdated modules.

System Requirements for Java 11

  • CPU: Quad-core 2.40 GHz
  • RAM: 8 GB
  • Storage: 250 MB minimum (excluding application data)

Key Features of Java 11

  • Ability to run a single Java source file without explicit compilation
  • New HTTP Client API
  • Support for Unicode 10
  • Nest-based access control
  • Improved garbage collection
  • Removal of deprecated tools like Appletviewer and JavaFX from JDK
  • Long-term updates for at least 8 years

Difference Between Java 8 and Java 11

Feature

Java 8

Java 11

Release Year

2014

2018

Appletviewer

Available

Removed

String Methods

Limited

Added isBlank(), lines(), repeat()

Lambda Expressions

No var usage

var allowed

Java Deployment

Available

Removed

Pattern Matching

Not available

asMatchPredicate() supported

Garbage Collection

Basic GC

Improved GC

TLS Version

TLS 1.2

TLS 1.3

Security

Less secure

More secure

Modularity

Not supported

Supported

var Keyword

Not available

Available

AWTUtilities

Available (not recommended)

Removed

JavaFX & JMC

Available

Removed

File Handling

Limited support

readString(), writeString(), isSameFile()

Performance

Good

Better and optimized

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