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| addToClassPath | Dynamically adds a path or a jar file to the classpath. |
| addUrlToClassPath | Dynamically adds an url to the classpath. |
| as.float | Cast the object into a Java float type |
| as.JavaArray | Create a Java array from an R array |
| as.long | Cast the object into a Java long type |
| bufferLength | Length of the buffer when reading from the socket connection. |
| cacheEnv | The cache environment of this package |
| callJavaGC | Synchronize the Java environment with the R environment |
| callJavaMethod | Call a Java method |
| checkIfClasspathContains | Check if a Library has been loaded |
| connectToJava | Connect to Java environment |
| createJavaObject | Create Java objects |
| getAllValuesFromArray | Returns all the elements of a Java array |
| getAllValuesFromListObject | Returns all the elements of a Java instance of List |
| getArrayLength | Return the length of an Array instance |
| getClassLoaderPaths | Retrieve the paths of the current classloader |
| getClassLoaderURLs | Retrieve the URLs of the current classloader |
| getJavaArchitecture | Get Java architecture |
| getJavaField | Get the value of a public field |
| getJavaVersion | Get the current Java version |
| getListOfJavaReferences | Provide a list of the Java references |
| getMemorySettings | Returns the maximum, total and free memory in Mb |
| getNbConnections | The number of connections to the server |
| getNbInstancesInInternalMap | Return the number of instances stored in the internal map of the Java server |
| getValueFromArray | Get a value from an array |
| interruptJava | Interrupt the current task on the Java server |
| is.JavaArray | Check if the java.object instance represents an Array |
| isConnectedToJava | Checks if the Java server is running |
| isJavaArray | Check if the java.object instance represents an Array |
| j4r.config.setDefaultJVMMemorySize | Set a default memory size for the Java Virtual Machine |
| j4r.config.setVerbose | Enabling/disabling Verbose |
| killJava | Force the JVM to shut down |
| length.java.list | Override the default length function |
| length.java.object | Override the default length function |
| maxVectorLength | Maximum length of the vector in the parameters. |
| mclapply.j4r | Using multithreading with J4R |
| print.java.list | Print a java.list object |
| print.java.object | Print a java.object instance |
| setJavaField | Set the value of a public field |
| setJavaPath | Set the path to Java |
| settingEnv | The settings environment for this package |
| setValueInArray | Set a value in an array |
| shutdownJava | Shut down Java |