rJava v0.4-6

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by Simon Urbanek

Low-level R to Java interface

Low-level interface to Java VM very much like .C/.Call and friends. Allows creation of objects, calling methods and accessing fields.

Functions in rJava

Name Description
jcall Call a Java method
JavaAccess Field/method operator for Java objects
jfiled Obtains the value of a field
jfloat Wrap numeric vector as flat Java parameter
jnew Create a Java object
jfloat-class Classes "jfloat", "jlong", "jbyte" and "jchar" specify Java native types that are not native in R
jarray Creates a Java array from a vector
jobjRef-class Class "jobjRef" - Reference to a Java object
jarrayRef-class Class "jarrayRef" Reference to an array Java object
jcastToArray Ensures that a given object is an array reference
jnull Java null object reference
jsimplify Converts Java object to a simple scalar if possible
jequals Comparing Java References
jinit Initialize Java VM
show Show a Java Object Reference
jreflection Simple helper functions for Java reflection
jcast Cast a Java object to another class
jcheck Check JVM for pending expections and clear them
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