java string reverse
String str = "Reverse this strings";
//for loop
for (int i = str.length() - 1; i >= 0; i--) {
System.out.print(str.charAt(i));
}
// StringBuffer for multi thread
StringBuffer sb = new StringBuffer();
sb.append(str);
System.out.print(sb.reverse().toString());
// StringBuffer for single thread
StringBuilder sb = new StringBuilder();
sb.append(str);
System.out.print(sb.reverse().toString());reverse in jaav
// my linkedin : https://www.linkedin.com/in/vaalarivan-prasanna-3a07bb203/
list = new ArrayList<int> {3, 4, 7}; //initialising a list
Collections.reverse(list); //reverses a List or an ArrayList
//now, list is {7, 4, 3}Copyright © 2021 Codeinu
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