One Away

There are three type of edits that can be performed on strings:

• insert a character
• remove a character
• replace a character

Given two strings, write a function to check if they are on edit (or zero edit) away.

Latest Source Code:
Github: OneAway.java

Output:

 pale, ple => true
pales, pale => true
pale, bale => true
pale, bake => false