Stringname; Student(intno,String name) { this.no= no; = name; } publicString toString() { return"no="+no+","+"name="+name; } publicint compareTo(Object o) { Student t = (Student)o; if(no<) return 1; elseif(no==) return 0; else return -1; } } class Test { publicstat...
String s3 = s.toLowerCase(); //字符串拼接 String s5 = s.concat("GH"); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 常用方法示例1 public class StringMethod { public static void main(String[] args) { String s = "abcdef"; /...
The result is a positive integer if this String object lexicographically follows the argument string. The result is zero if the strings are equal; compareTo returns 0 exactly when the #equals(Object) method would return true. This is the definition of lexicographic ordering. If two strings are...
System.out.println(String.valueOf(num1).compareTo(String.valueOf(num2)));//-1 6.compareToIgnoreCase忽略大小写 不考虑大小写,按字典顺序比较两个字符串。此方法返回一个整数,它的正负号是调用 compareTo 的正负号,调用时使用了字符串的规范化版本,其大小写差异已通过对每个字符调用 Character.toLowerCase(...
StringmyStr1="Hello";StringmyStr2="Hello";System.out.println(myStr1.compareTo(myStr2));// Returns 0 because they are equal Try it Yourself » Definition and Usage ThecompareTo()method compares two strings lexicographically. The comparison is based on the Unicode value of each character in...
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 String compareTo() Method: The compareTo() method compares two strings lexicographically. The comparison is based on the Unicode value of each character in the strings.
}publicString toString() {returnname+"\t\t"+age+"\t\t"+score; } @OverridepublicintcompareTo(Student o) {//TODO Auto-generated method stubif(this.score>o.score)//score是private的,为什么能够直接调用,这是因为在Student类内部return-1;//由高到低排序elseif(this.score<o.score)return1;else{...
String str1 ="Learn Java"; String str2 ="Learn Kolin";intresult;// comparing str1 with str2 result = str1.compareTo(str2); System.out.println(result); } }// Output: -1 Syntax of compareTo() The syntax of thecompareTo()method is: ...
Java StringcompareToIgnoreCase()Method ❮ String Methods ExampleGet your own Java Server Compare two strings, ignoring lower case and upper case differences: StringmyStr1="HELLO";StringmyStr2="hello";System.out.println(myStr1.compareToIgnoreCase(myStr2)); ...