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Java Exercises: Take the last three characters from a given string and add these characters at both the front and back of the string

Java Basic: Exercise-84 with Solution

Write a Java program to take the last three characters from a given string and add the three characters at both the front and back of the string. String length must be greater than three and more.
Test data: "Python" will be "honPythonhon"

Pictorial Presentation:

Java Basic Exercises: Take the last three characters from a given string and add these characters at front and back of the string

Sample Solution:

Java Code:

import java.util.*; 
import java.io.*; 
 public class Exercise84 {
 public static void main(String[] args)
 {
   String string1 = "Python";
    int slength = 3;
    if (slength > string1.length()) {
      slength = string1.length();
    }

    String subpart = string1.substring(string1.length()-3);
    System.out.println(subpart + string1 + subpart);
  }
}

Sample Output:

honPythonhon

Flowchart:

Flowchart: Java exercises: Take the last three characters from a given string and add the three characters at both the front and back of the string

Java Code Editor:

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Java: Tips of the Day

How to sort an ArrayList?

Collections.sort(testList);
Collections.reverse(testList);

That will do what you want. Remember to import Collections though!

Ref: https://bit.ly/32urdSe