reverse function in java code example

Example 1: how to reverse a string in java

public class ReverseString {
    public static void main(String[] args) {
        String s1 = "neelendra";
        for(int i=s1.length()-1;i>=0;i--)
            {
                System.out.print(s1.charAt(i));
            }
    }
}

Example 2: string reverse in java

String str = "Hello";
String reverse(String str){
  StringBuilder sb = new StringBuilder();
  sb.append(str);
  sb.reverse();
  return sb.toString();
}

Example 3: 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}