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Title: ThinkJavaCode/ch07/Validate.java at master · 15athompson/ThinkJavaCode · GitHub

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Description: Supporting code for Think Java by Allen Downey and Chris Mayfield. - ThinkJavaCode/ch07/Validate.java at master · 15athompson/ThinkJavaCode

Open Graph Description: Supporting code for Think Java by Allen Downey and Chris Mayfield. - 15athompson/ThinkJavaCode

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