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Tagged with string-matching java
3 questions
6
votes
4
answers
6k
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Is "use "abc".equals(myString) instead of myString.equals("abc") to avoid null pointer exception" already problematic in terms of business logic?
I heard numerous times that when comparing Strings in Java, to avoid null pointer exception, we should use "abc".equals(myString) instead of myString.equals("abc"), but my question is, is this idea ...
- 5,863
2
votes
3
answers
6k
views
Can regexp be used to check for palindromes?
Can regexp pattern matching be used to check for palindromes within a given text in Java?
My intuition is that in order to check for palindromes, we may need to remember the character that was parsed,...
- 135
-6
votes
2
answers
341
views
Which piece of code is more efficient with respect to Time and Memory cost? [closed]
Code 1:
private static int myCompare(String a, String b) {
/* my version of the compareTo method from the String Java class */
int len1 = a.length();
int len2 = b.length();
if (...
