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Variables

how to get the variable that is both String and Double.

2/12/2017 8:55:42 AM

Poramet Supakitruengroj

4 Answers

New Answer

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A variable cannot have two different data types. It can be a string or a double. But you can do this. String str = "12.5"; double num = Double.parseDouble(str); First you can create string with double type value but it will be string only and then you can convert it to double.

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and then it can calculate as double ,right?

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Yes after converting it to double you can perform any arithmetic operations on it.

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if I want to check a=me and run like this String a="me"; if a="me" { System.out.print("ok"); } it cant run if because a is string. so how can i do like this? thanks for helping :)