字符串的比较

public class StringCompareToExample {

public static void main(String[] args) {

String a = "abcd";
String b = "abce";
String c = "abcd";

System.out.println(a.compareTo(b));
System.out.println(c.compareTo(a));

b = "abcde";

System.out.println(a.compareTo(b));

a = "a random string";
b = "another string ";

System.out.println(b.compareTo(a));

}
}

public class StringCompareToExample2 {

public static void main(String[] args) {

String st = "abcd";
String st2 = "abce";
String st3 = "aBcE";

System.out.println(st.compareToIgnoreCase(st2));
System.out.println(st.compareToIgnoreCase(st3));
System.out.println(st2.compareToIgnoreCase(st3));

}
}