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(Character.toUpperCase(character))得以消除。 Stringauthor ="Author";Stringbook ="book";StringduplicateBook ="BOOK"; assertThat(author.compareToIgnoreCase(book)) ....
ThecompareTo()method compares twostringslexicographically (in the dictionary order). The comparison is based on the Unicode value of each character in the strings. Example classMain{publicstaticvoidmain(String[] args){ String str1 ="Learn Java"; String str2 ="Learn Kolin";intresult;// compar...
不是要用return a.compareTo(b);进行比较的吗？compareTo()方法是在String类下面的 Compares two strings lexicographically. The comparison is based on the Unicode value of each character in the strings. The character sequence represented by this String object is compared lexicographically to ...
publicclassJavaCharacterCompareExample1{publicstaticvoidmain(String[] args){charfirstValue ='A';charsecondValue ='B';//comparethe first char to the secondintcompareOneTwo = Character.compare(firstValue, secondValue);if(compareOneTwo>0) { System.out.println("First value is greater than second va...
The comparison is based on the Unicode value of each character in the strings. The method returns 0 if the string is equal to the other string. A value less than 0 is returned if the string is less than the other string (less characters) and a value greater than 0 if the string is...
String类compareTo比较日期 int java.lang.String.compareTo(String anotherString)Compares two stringslexicographically(字典序; 按字典顺序;). The comparison is based on theUnicodevalue of each character in the strings. The character sequence represented by this String object is compared lexicographically to...
20220406Java字符串操作类中scompareTo() 记个笔记 字符串操作类中s1.compareTo(s)规则: Compares two strings lexicographically. The comparison is based on the Unicode value of each character in the strings. The character sequence represented by thisStringobject is compared lexicographically to the ...
if string is null. Remarks Compares two strings lexicographically. The comparison is based on the Unicode value of each character in the strings. The character sequence represented by this String object is compared lexicographically to the character sequence represented by the argument string. The resu...
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下麵的例子展示了 lang.Character.compareTo() 方法的用法。 packagecom.tutorialspoint;importjava.lang.*;publicclassCharacterDemo{publicstaticvoidmain(String[] args){// create 2 Character objects c1, c2Character c1, c2;// assign values to c1, c2c1 =newCharacter('a'); c2 =newCharacter('b');/...