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- public static OptionalInt max1(int... a) {
- return Arrays.stream(a).max();
- }
- public static OptionalInt max2(int... a) {
- if (a == null || 0 == a.length)
- return OptionalInt.empty();
- int max = a[0];
- for (int i = 1; i < a.length; i++) {
- if (a[i] > max)
- max = a[i];
- }
- return OptionalInt.of(max);
- }
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