Java Program to check whether one string is a rotation of another

by Online Tutorials Library July 22, 2022

Write a code to check whether one string is a rotation of another?

File: RotationString .java

  public class RotationString {  public static boolean checkRotation(String st1, String st2) {  if (st1.length() != st2.length()) {  return false;  }  String st3 = st1 + st1;  if (st3.contains(st2))  return true;  else  return false;  }     public static void main(String[] args) {  String str1 = “avajava”;  String str2 = “javaava”;  System.out.println(“Checking if a string is rotation of another”);  if (checkRotation(str1, str2)) {  System.out.println(“Yes ” + str2 + ” is rotation of ” + str1);  } else {  System.out.println(“No ” + str2 + ” is not rotation of ” + str1);  }  }  }  

Output:

Checking if a string is rotation of another  Yes javaava is rotation of avajavaw

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