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Java SE 8 Programmer II

Oracle Certified Professional: Java SE 8 Programmer II (1Z0-809)

Java Stream ApiEnglish

Practice session

Given: List<Integer> nums = Arrays.asList(1,2,3,4,5); int sum = nums.stream().filter(n -> n % 2 == 0).mapToInt(Integer::intValue).sum(); What is sum?

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