Fix bug when comparing strings#1

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DavidWhitlock wants to merge 3 commits intoProject1from

Project_1_compare_strings_with_equals

Commits on Jul 16, 2021

Use the equals() method to compare String values instead of ==. This fixes a very subtle bug that only surfaced when the main method was run from the command line.
DavidWhitlock
committed

Commits on Jul 22, 2021