Java 8 va JDK 8 da qanday yangiliklar paydo bo'ldi?

• Lambda ifodalar
• Stream API
• Standart metodlar
• Optional sinfi
• Nashorn JavaScript dvigateli
• Sana va vaqt API (JSR 310)
• Collections interfeysida yangi metodlar (masalan, forEach, removeIf)
• Konkurrent yig‘uvchilar (masalan, LongAdder, DoubleAdder)
• Parallel Array Sorting

// Lambda ifodasi misoli
Runnable r = () -> System.out.println("Lambda'dan Salom!");

// Stream API misoli
List<String> list = Arrays.asList("a", "b", "c");
list.stream().filter(s -> s.startsWith("a")).forEach(System.out::println);

// Standart metod misoli
interface MyInterface {
    void abstractMethod();
    default void defaultMethod() {
        System.out.println("Standart amalga oshirish");
    }
}

// Optional misoli
Optional<String> optional = Optional.ofNullable("mavjud");
optional.ifPresent(System.out::println);