这里,同时比较了UpperCase和LowerCase,是为了兼容Georgian字符。 见String类的regionMatches()方法。如下(29~32行): 1publicbooleanregionMatches(booleanignoreCase,inttoffset,2String other,intooffset,intlen) {3charta[] =value;4intto =toffset;5charpa[] =other.value;6intpo =ooffset;7//Note: toffset, oof...
moving them towards the middle simultaneously and comparing the corresponding characters for equality.Ignore non-alphanumeric characters: During the comparison, ignore non-alphanumeric characters in the string.Case-insensitive comparison: Convert all characters to either uppercase or lowercase for ...
return s.equalsIgnoreCase((String) o); return false; } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 在我们定义的equals方法中,包含了对被比较对象o分别为CaseInsensitiveString和String类型的两种不同情况的比较逻辑,这就极有可能导致对称性的违反。 因为当比较反过来时...
CaseInsensitiveString cis=newCaseInsensitiveString("Polish");String s="polish"; 如同我们预料的那样,cis.equals(s)返回true,但是s.equals(cis)却返回false,因为String类并不知道有CaseInsensitiveString,故直接false掉,我们还可以创建一个List,把cis加上去 代码语言:javascript 复制 List<CaseInsensitiveString>list=...
String 接口分析 String类型所实现的接口 publicfinalclassStringimplementsjava.io.Serializable, Comparable<String>, CharSequence Serializable接口和Comparable接口大家都比较熟悉,一个是序列化接口,一个是比较able类接口,分别对应 //序列化标记号privatestaticfinallongserialVersionUID =-6849794470754667710L;publicintcompare...
CaseInsensitiveOrder A Comparator that orders String objects as by compareToIgnoreCase. Class Returns the runtime class of this Object. (Inherited from Object) Handle The handle to the underlying Android instance. (Inherited from Object) IsBlank Returns true if the string is empty or cont...
theequals(String str)method also returnstrue. ThecompareToIgnoreCase(String str)method is similar to the first one, except that it ignores the case. It usesComparatorwithCASE_INSENSITIVE_ORDERfor case insensitive comparison. If the value is zero, thenequalsIgnoreCase(String str)will also return true...
2. Java Program to Compare Strings Ignoring Case The following Java program compares two strings in the case-insensitive manner using the compareToIgnoreCase() method. String name = "Alex"; Assertions.assertEquals(0, name.compareToIgnoreCase("Alex")); Assertions.assertEquals(0, name.compareToIgnore...
public static final Comparator<String> CASE_INSENSITIVE_ORDER A Comparator that orders String objects as by compareToIgnoreCase. This comparator is serializable. Note that this Comparator does not take locale into account, and will result in an unsatisfactory ordering for certain locales. The Collator...
* String.CASE_INSENSITIVE_ORDER); * } * * @param <T> the type of element to be compared * @param <U> the type of the sort key * @param keyExtractor the function used to extract the sort key * @param keyComparator the {@code Comparator} used to compare the sort key * @return...