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Java Exercises: Create a new string of 4 copies of the last 3 characters of the original string

Java Basic: Exercise-68 with Solution

Write a Java program to create a new string of 4 copies of the last 3 characters of the original string. The length of the original string must be 3 and above.

Pictorial Presentation:

Java Basic Exercises: Create a new string of 4 copies of the last 3 characters of the original string

Sample Solution:

Java Code:

import java.lang.*;
 public class Exercise68 {
 public static void main(String[] args)
 {
   String main_string = "Python 3.0";
      
   String last_three_chars = main_string.substring(main_string.length() - 3);
   System.out.println(last_three_chars + last_three_chars + last_three_chars + last_three_chars);
  }
    }

Sample Output:

3.03.03.03.0 

Flowchart:

Flowchart: Java exercises: Create a new string of 4 copies of the last 3 characters of the original string

Java Code Editor:

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Java: Tips of the Day

getEnumMap

Converts to enum to Map where key is the name and value is Enum itself.

public static <E extends Enum<E>> Map<String, E> getEnumMap(final Class<E> enumClass) {
    return Arrays.stream(enumClass.getEnumConstants())
            .collect(Collectors.toMap(Enum::name, Function.identity()));
}

Ref: https://bit.ly/3xXcFZt