String x = "((3 + 5*1)/8)*14";
println(x);
How can I calculate the string?
Wanted output: 14
output: ((3 + 5*1)/8)*14
(I can only use Java!)
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Marco Koivisto
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http://stackoverflow.com/questions/3422673/evaluating-a-math-expression-given-in-string-form Might be help full to you – fresher Sep 08 '15 at 12:41
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I get the error "Error:(107, 39) java: unreported exception javax.script.ScriptException; must be caught or declared to be thrown" when using that solution... – Marco Koivisto Sep 08 '15 at 12:45
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which java version you are using? – fresher Sep 08 '15 at 12:46
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try http://stackoverflow.com/questions/2605032/is-there-an-eval-function-in-java – fresher Sep 08 '15 at 12:48
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you can check http://stackoverflow.com/questions/1432245/java-parse-a-mathematical-expression-given-as-a-string-and-return-a-number – fresher Sep 08 '15 at 12:51
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@MarcoKoivisto when get a error search it first ..http://stackoverflow.com/questions/15195253/unreported-exception-javax-script-scriptexception-must-be-caught-or-declared-to . if you read the answers correctly there is `throws Exception{` you skip it?? read exception handling too . – Madhawa Priyashantha Sep 08 '15 at 12:53
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@MarcoKoivisto i can not test this right now, my version is 1.6. – fresher Sep 08 '15 at 12:56
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1@MarcoKoivisto handle exception like this http://pastebin.com/Y5V3d6pn – Madhawa Priyashantha Sep 08 '15 at 12:57
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Works, but I cant use it. I can only use Java, its for school. – Marco Koivisto Sep 08 '15 at 14:17