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Update SymmetricSubstringMaxLengthUnitTest.java (#16411)

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Mo Helmy 2024-04-15 20:47:38 +02:00 committed by GitHub
parent 2ea4c541bd
commit f3548a3c44
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1 changed files with 4 additions and 6 deletions
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core-java-modules/core-java-string-operations-8/src/test/java/com/baeldung/symmetricsubstringlength/SymmetricSubstringMaxLengthUnitTest.java
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@ -30,7 +30,7 @@ public class SymmetricSubstringMaxLengthUnitTest {
@Test
public void givenString_whenUsingBruteForce_thenFindLongestSymmetricSubstring() {
assertEquals(expected, findLongestSymmetricSubstringUsingBruteForce(input).length());
assertEquals(expected, findLongestSymmetricSubstringUsingBruteForce(input));
}
@Test
@ -38,25 +38,23 @@ public class SymmetricSubstringMaxLengthUnitTest {
assertEquals(expected, findLongestSymmetricSubstringUsingSymmetricApproach(input));
}
private String findLongestSymmetricSubstringUsingBruteForce(String str) {
private int findLongestSymmetricSubstringUsingBruteForce(String str) {
if (str == null || str.length() == 0) {
return "";
return 0;
}
int maxLength = 0;
String longestPalindrome = "";
for (int i = 0; i < str.length(); i++) {
for (int j = i + 1; j <= str.length(); j++) {
String substring = str.substring(i, j);
if (isPalindrome(substring) && substring.length() > maxLength) {
maxLength = substring.length();
longestPalindrome = substring;
}
}
}
return longestPalindrome;
return maxLength;
}
private boolean isPalindrome(String s) {