Java如何确定字符串是否是回文?
此代码检查字符串,以确定它是否是回文。回文是一个单词,词组或序列,向后读与向后读相同。
package org.nhooo.example.lang;
public class PalindromeChecker {
public static void main(String[] args) {
String text = "Sator Arepo Tenet Opera Rotas";
PalindromeChecker checker = new PalindromeChecker();
System.out.println("Is palindrome = " + checker.isPalindrome(text));
}
/**
* This method checks the string for palindrome. We use StringBuilder to
* reverse the original string.
*
* @param text
* @return
*/
private boolean isPalindrome(String text) {
System.out.println("Original text = " + text);
String reverse = new StringBuilder(text).reverse().toString();
System.out.println("Reverse text = " + reverse);
//将原始文本与反向文本进行比较,并忽略其大小写
return text.equalsIgnoreCase(reverse);
}
}
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