Какие нововведения появились в Java 8 и JDK 8?

• Lambda Expressions
• Stream API
• Default Methods
• Optional Class
• Nashorn JavaScript Engine
• Date and Time API (JSR 310)
• New methods in Collections interface (e.g., forEach, removeIf)
• Concurrent Accumulators (e.g., LongAdder, DoubleAdder)
• Parallel Array Sorting

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