aviatorscript
java.math.expression.parser
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| aviatorscript | java.math.expression.parser | |
|---|---|---|
| 1 | 2 | |
| 4,230 | 35 | |
| - | - | |
| 6.5 | 6.1 | |
| about 2 months ago | 4 months ago | |
| Java | Java | |
| - | Apache License 2.0 |
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aviatorscript
java.math.expression.parser
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is there premade function that gets mathematical Strings ( for example "(3+4+5)/sqr(20)") and returns result
Not built in to the Java language or SDK, but there's open source libraries such as https://github.com/sbesada/java.math.expression.parser that will do what you want.
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Can't figure out "java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Double" error
You might then want to use some specific math parser Java library. E.g. this sbesada/java.math.expression.parser.
What are some alternatives?
jmurmel - A standalone or embeddable JVM based interpreter/ compiler for Murmel, a single-namespace Lisp dialect inspired by Common Lisp
ExprTK - C++ Mathematical Expression Parsing And Evaluation Library https://www.partow.net/programming/exprtk/index.html
Skript - Skript is a Bukkit plugin which allows server admins to customize their server easily, but without the hassle of programming a plugin or asking/paying someone to program a plugin for them.
MathParser.org-mXparser - Math Parser Java Android C# .NET/MONO (.NET Framework, .NET Core, .NET Standard, .NET PCL, Xamarin.Android, Xamarin.iOS) CLS Library - a super easy, rich and flexible mathematical expression parser (expression evaluator, expression provided as plain text / strings) for JAVA and C#. Main features: rich built-in library of operators, constants, math functions, user defined: arguments, functions, recursive functions and general recursion (direct / indirect). Additionally parser provides grammar and internal syntax checking.
BabyCorn - Short and sweet strongly typed XML reader for JVM
JavaParser - Java 1-17 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.
luaj - Lightweight, fast, Java-centric Lua interpreter written for JME and JSE, with string, table, package, math, io, os, debug, coroutine & luajava libraries, JSR-223 bindings, all metatags, weak tables and unique direct lua-to-java-bytecode compiling.
ExpressionEvaluator - A Simple Math and Pseudo C# Expression Evaluator in One C# File. Can also execute small C# like scripts
jisp - Small Lisp expression interpreter made in Java
java-slack-sdk - Slack Developer Kit (including Bolt for Java) for any JVM language