安装rJava

install.packages("rJava")

library(rJava)

.jinit()

s<-.jnew("java/lang/String","Hello World!")

s

 

 

输出：

[1] "Java-Object{Hello World!}"

 

环境变量Path

;%R_HOME%\bin;%R_HOME%\bin\x64;%R_HOME%\library\rJava\jri;%R_HOME%\library\rJava\jri\x64;