java string swap two characters
String originalString = "abcde";
//Strings are immutable
char[] c = originalString.toCharArray();
//Swap
char temp = c[0];
c[0] = c[1];
c[1] = temp;
//Result
String swappedString = new String(c);java string swap two characters
String originalString = "abcde";
//Strings are immutable
char[] c = originalString.toCharArray();
//Swap
char temp = c[0];
c[0] = c[1];
c[1] = temp;
//Result
String swappedString = new String(c);java replaceall single character
.replaceAll("(?<!\S)[^ ](?!\S)", " ").trim()Copyright © 2021 Codeinu
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