A B C D E G I M N P R S U W

A

applyFunction(double...) - Method in class de.congrace.exp4j.CustomFunction

applyOperation(double[]) - Method in class de.congrace.exp4j.CustomOperator

Apply the custom operation on the two operands and return the result as an double An example implementation for a multiplication could look like this:

ArrayUtil - Class in de.congrace.exp4j

ArrayUtil() - Constructor for class de.congrace.exp4j.ArrayUtil

B

build() - Method in class de.congrace.exp4j.ExpressionBuilder

build a new Calculable from the expression using the supplied variables

C

Calculable - Interface in de.congrace.exp4j

This is the basic result class of the exp4j ExpressionBuilder

calculate() - Method in interface de.congrace.exp4j.Calculable

calculate the result of the expression

calculate(double...) - Method in interface de.congrace.exp4j.Calculable

calculate the result of the expression

CommandlineInterpreter - Class in de.congrace.exp4j

Simple commandline interpreter for mathematical expressions the interpreter takes a mathematical expressions as a String argument, evaluates it and prints out the result.

CommandlineInterpreter() - Constructor for class de.congrace.exp4j.CommandlineInterpreter

CustomFunction - Class in de.congrace.exp4j

this classed is used to create custom functions for exp4j

Example

CustomFunction(String) - Constructor for class de.congrace.exp4j.CustomFunction

create a new single value input CustomFunction with a set name

CustomFunction(String, int) - Constructor for class de.congrace.exp4j.CustomFunction

create a new single value input CustomFunction with a set name

CustomOperator - Class in de.congrace.exp4j

This class is used to create custom operators for use in expressions
The applyOperation(double[] values) will have to be implemented by users of this class.

CustomOperator(String, boolean, int) - Constructor for class de.congrace.exp4j.CustomOperator

Create a new CustomOperator for two operands

CustomOperator(String, boolean, int, int) - Constructor for class de.congrace.exp4j.CustomOperator

Create a new CustomOperator

CustomOperator(String) - Constructor for class de.congrace.exp4j.CustomOperator

Create a left associative CustomOperator with precedence value of 1 that uses two operands

CustomOperator(String, int) - Constructor for class de.congrace.exp4j.CustomOperator

Create a left associative CustomOperator for two operands

D

de.congrace.exp4j - package de.congrace.exp4j

E

ExpressionBuilder - Class in de.congrace.exp4j

This is a Builder implementation for the exp4j API used to create a Calculable instance for the user

ExpressionBuilder(String) - Constructor for class de.congrace.exp4j.ExpressionBuilder

Create a new ExpressionBuilder

ExpressionUtil - Class in de.congrace.exp4j

ExpressionUtil() - Constructor for class de.congrace.exp4j.ExpressionUtil

G

getArgumentCount() - Method in class de.congrace.exp4j.CustomFunction

getExpression() - Method in interface de.congrace.exp4j.Calculable

return the expression in reverse polish postfix notation

I

InvalidCustomFunctionException - Exception in de.congrace.exp4j

InvalidCustomFunctionException(String) - Constructor for exception de.congrace.exp4j.InvalidCustomFunctionException

M

main(String[]) - Static method in class de.congrace.exp4j.CommandlineInterpreter

N

normalizeNumber(String, Locale) - Static method in class de.congrace.exp4j.ExpressionUtil

normalize a number to an acceptable format for exp4j e.g.

normalizeNumber(String) - Static method in class de.congrace.exp4j.ExpressionUtil

P

PROPERTY_UNARY_HIGH_PRECEDENCE - Static variable in class de.congrace.exp4j.ExpressionBuilder

Property name for unary precedence choice.

R

reverse(double[]) - Static method in class de.congrace.exp4j.ArrayUtil

S

setVariable(String, double) - Method in interface de.congrace.exp4j.Calculable

set a variable value for the calculation

U

UnknownFunctionException - Exception in de.congrace.exp4j

Exception for handling unknown Functions.

UnknownFunctionException(String) - Constructor for exception de.congrace.exp4j.UnknownFunctionException

construct a new UnknownFunctionException

UnparsableExpressionException - Exception in de.congrace.exp4j

Exception for invalid expressions

UnparsableExpressionException(String, char, int) - Constructor for exception de.congrace.exp4j.UnparsableExpressionException

construct a new UnparsableExpressionException

UnparsableExpressionException(String) - Constructor for exception de.congrace.exp4j.UnparsableExpressionException

construct a new UnparsableExpressionException

W

withCustomFunction(CustomFunction) - Method in class de.congrace.exp4j.ExpressionBuilder

add a custom function instance for the evaluator to recognize

withCustomFunctions(Collection<CustomFunction>) - Method in class de.congrace.exp4j.ExpressionBuilder

withExpression(String) - Method in class de.congrace.exp4j.ExpressionBuilder

set the mathematical expression for parsing

withOperation(CustomOperator) - Method in class de.congrace.exp4j.ExpressionBuilder

set a CustomOperator to be used in the expression

withOperations(Collection<CustomOperator>) - Method in class de.congrace.exp4j.ExpressionBuilder

set a Collection of CustomOperator to use in the expression

withVariable(String, double) - Method in class de.congrace.exp4j.ExpressionBuilder

set the value for a variable

withVariableNames(String...) - Method in class de.congrace.exp4j.ExpressionBuilder

set the variables names used in the expression without setting their values

withVariables(Map<String, Double>) - Method in class de.congrace.exp4j.ExpressionBuilder

set the values for variables

A B C D E G I M N P R S U W