Question: Write the bin2Dec(String binaryString) method to convert a binary string (a string containing only 0s and 1s) into a decimal number. Implement the bin2Dec method

Write the bin2Dec(String binaryString) method to convert a binary string (a string containing only 0s and 1s) into a decimal number.

Implement the bin2Dec method to throw a NumberFormatException if the string is not a binary string.

Write a text program to test the bin2Dec method on a valid case and an invalid case that throws the exception.

Screenshot of Eclipse showing output of program with no exception.

Screenshot of Eclipse showing output with an exception.

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