Java String compareTo() Java子串比较 Java按字典顺序比较两个字符串 Java String compareTo() import java.lang.*; public class StringDemo { public static void main(String[] args) { String str1 = "tutorials", str2 = "point"; // comparing str1 and str2 int retval = str1.compareTo(str2); // prints the return value of the comparison if (retval < 0) { System.out.println("str1 is greater than str2"); } else if (retval == 0) { System.out.println("str1 is equal to str2"); } else { System.out.println("str1 is less than str2"); } } } Java子串比较 Java按字典顺序比较两个字符串