// StringComparisonExample.javapublicclassStringComparisonExample{publicstaticvoidmain(String[]args){Stringstr1="apple";Stringstr2="banana";intcomparison=str1.compareTo(str2);if(comparison<0){System.out.println(
5.如果参数是String类型,字符数组的长度一致,但是从左到右如果遇到字符不一致则返回false 二.java.lang.String这个类下面的compareTo方法是如何实现的。 public int compareTo(String anotherString) { int len1 = value.length; int len2 = anotherString.value.length; int lim = Math.min(len1, len2); ch...
privateint bookId;privateString bookName;privateint bookPrice;@OverridepublicintcompareTo(Book o){// TODO Auto-generated method stub//return this.bookPrice-o.bookPrice;//按价格排序 升序//return o.bookPrice-this.bookPrice;//按价格排序 降序//return this.bookName.compareTo(o.bookName);//按书...
java.lang.String.compareTo() 方法比较两个字符串的字典,比较是基于字符串中的每个字符的Unicode值 1 2 3 4 5 6 7 8 String n1 ="1"; String n2 ="0.15656655856565"; String m1 ="a"; String m2 ="b"; String m3 ="b"; intcompareTon = n1.compareTo(n2); intcompareTom1 = m1.compareTo(...
Java中compareTo用法 大家好,又见面了,我是你们的朋友全栈君。 Java中的compareto方法,返回参与比较的前后两个字符串的asc码的差值 String a = “a”; String b = “b”; System.out.println(a.compareTo(b)); 输出值-1 1 2 3 4 5 String a = “b”; String b = “a”; System.out.println(...
java 字符串的比较compareTo import java.util.Scanner; public class Demo01 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); for (;;) { String a = sc.next(); String b = sc.next(); int num = a.compareTo(b);...
public static void main(String[] args) { String sys = "学生信息管理"; System.out.println("欢迎进入《" + sys + "》系统"); System.out.println("请设置一个管理员密码:"); Scanner input = new Scanner(System.in); String pass = input.next(); // 设置密码 ...
魔幻的String.compareTo 我们之前可能已经见过Java的String的比较方法,它会找出第一个不同的字符之间的距离,没找到不同,就返回较两个字符串长度之差 publicintcompareTo(StringanotherString){intlen1=value.length;intlen2=anotherString.value.length;intlim=Math.min(len1,len2);charv1[]=value;charv2[]=anot...
String str2 ="Learn Java"; String str3 ="Learn Kolin";intresult;// comparing str1 with str2 result = str1.compareTo(str2); System.out.println(result);// 0// comparing str1 with str3 result = str1.compareTo(str3); System.out.println(result);// -1// comparing str3 with str1...
❮ String Methods ExampleGet your own Java Server Compare two strings: StringmyStr1="Hello";StringmyStr2="Hello";System.out.println(myStr1.compareTo(myStr2));// Returns 0 because they are equal Try it Yourself » Definition and Usage ...