public class StringCompareToExample {
    public static void main(String[] args) {
        String str1 = "apple";
        String str2 = "banana";
        String str3 = "apple";
        // Compare str1 with str2
        int result1 = str1.compareTo(str2);
        System.out.println("Comparing \"" + str1 + "\" with \"" + str2 + "\": " + result1);
        // 输出结果为负数,表示str1在字典顺序上小于str2
        // Compare str1 with str3
        int result2 = str1.compareTo(str3);
        System.out.println("Comparing \"" + str1 + "\" with \"" + str3 + "\": " + result2);
        // 输出结果为0,表示str1等于str3
        // Compare str2 with str1
        int result3 = str2.compareTo(str1);
        System.out.println("Comparing \"" + str2 + "\" with \"" + str1 + "\": " + result3);
        // 输出结果为正数,表示str2在字典顺序上大于str1
    }
}compareTo 方法用于比较两个字符串的字典顺序。上一篇:java时间戳转换
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