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Java String Exercises: Create a unique identifier of a given string

Java String: Exercise-18 with Solution

Write a Java program to create a unique identifier of a given string.

Sample Solution:

Java Code:

public class Exercise18 {
 
  public static void main(String[] args)
    {
        String str = "Python Exercises.";

        // Get the hash code for the above string.
        int hash_code = str.hashCode();

        // Display the hash code.
        System.out.println("The hash for " + str +
            " is " + hash_code);
    }
}

Sample Output:

The hash for Python Exercises. is 863132599 

Flowchart:

Flowchart: Java String  Exercises - Create a unique identifier of a given string

Visualize Java code execution (Python Tutor):


Java Code Editor:

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Next: Write a Java program to get the index of all the characters of the alphabet.

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Java: Tips of the Day

Count the number of occurrences of a char in a String:

int count = StringUtils.countMatches("a.b.c.d", ".");

Ref: https://bit.ly/2OTy6sG