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shadowTy

#1 Created at ... [Delete] [Delete and Lock User] 
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Lambda表达式:
		Arrays.sort(array, (o1, o2) -> o1.toLowerCase().compareTo(o2.toLowerCase()));
		System.out.println(String.join(", ", array));
	}
}

用户0650529595

#2 Created at ... [Delete] [Delete and Lock User]

直接用

       return s1.compareToIgnoreCase(s2);

就行

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