Illegal Escape Character “\”

The character ‘\’ is a special character and needs to be escaped when used as part of a String, e.g., “\”. Here is an example of a string comparison using the ‘\’ character:

if (invName.substring(j,k).equals("\\")) {...}

You can also perform direct character comparisons using logic similar to the following:

if (invName.charAt(j) == '\\') {...}

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