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1.用JAVA8的写法

    static String[] filterOptionAndValue(String option, String args[]) {return IntStream.range(0, args.length).filter(i -> i % 2 == 0).mapToObj(i -> new AbstractMap.SimpleEntry<>(args[i], args[i + 1])).filter(e -> !option.equals(e.getKey())).flatMap(e -> Stream.of(e.getKey(), e.getValue())).toArray(String[]::new);}public static void main(String... env) {String[] args = {"-o", "opt1", "-k", "secret", "-a", "opt2"};System.out.println(Arrays.toString(filterOptionAndValue("-s", args)));}