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何以忘言i

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package com.itranswarp.learnjava;

import java.util.Arrays;
import java.util.Comparator;

public class Main {

    public static void main(String[] args) {
        String[] array = new String[] { "apple", "Orange", "banana", "Lemon" };
        // 请使用忽略大小写排序,并改写为方法引用:
        Arrays.sort(array, Main::cmp);
        System.out.println(String.join(", ", array));
    }
    static int cmp(String s1, String s2) {
        return s1.toLowerCase().compareTo(s2.toLowerCase());
    }
    
}

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