private static void fun2() {
String st = "a";
String st2 = "b";
String st3 = "f";
String st4 = "E";
//如果st在字典中的排序在st2之前,就得到的是负值
//也就是参数st2大于st
int x = st.compareTo(st2);
System.out.println(x);
int y = st2.compareTo(st3);
System.out.println(y);
int z = st3.compareTo(st2);
System.out.println(z);
int o = st4.compareTo(st2);
System.out.println(o);
//按字典顺序比较两个字符串,不考虑大小写。
int a=st.compareToIgnoreCase(st2);
System.out.println(a);
}
public class homework {
public static void main(String[] args) {
fun2();
}
}