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rJava (version 0.5-0)
Low-level R to Java interface
Description
Low-level interface to Java VM very much like .C/.Call and friends. Allows creation of objects, calling methods and accessing fields.
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Install
install.packages('rJava')
Monthly Downloads
85,547
Version
0.5-0
License
GPL version 2
Maintainer
Simon Urbanek
Last Published
January 20th, 2026
Functions in rJava (0.5-0)
Search all functions
jcheck
Java exception handling
jfloat-class
Classes "jfloat", "jlong", "jbyte" and "jchar" specify Java native types that are not native in R
jequals
Comparing Java References
jcast
Cast a Java object to another class
show
Show a Java Object Reference
loader
Java class loader
jcastToArray
Ensures that a given object is an array reference
jengine
Java callback engineCast a Java object to another class
jcall
Call a Java method
jsimplify
Converts Java object to a simple scalar if possible
jnew
Create a Java object
JavaAccess
Field/method operator for Java objects
jobjRef-class
Class "jobjRef" - Reference to a Java object
jpackage
Initialize an R package containing Java code
jnull
Java null object reference
jmemprof
rJava memory profiler
jarray
Java array handling functions
jreflection
Simple helper functions for Java reflection
jinit
Initialize Java VM
jfield
Obtains the value of a field
jarrayRef-class
Class "jarrayRef" Reference to an array Java object
jfloat
Wrap numeric vector as flat Java parameter