June 2018 Update

Task/Call-a-foreign-language-function/Julia/call-a-foreign-language-function-1.julia

@@ -0,0 +1,3 @@
+p = ccall(:strdup, Ptr{Cuchar}, (Ptr{Cuchar},), "Hello world")
+@show unsafe_string(p) # "Hello world"
+ccall(:free, Void, (Ptr{Cuchar},), p)

Task/Call-a-foreign-language-function/Julia/call-a-foreign-language-function-2.julia

@@ -0,0 +1,3 @@
+using PyCall
+@pyimport math
+@show math.cos(1) # 0.5403023058681398

Task/Call-a-foreign-language-function/Julia/call-a-foreign-language-function.julia

@@ -1,7 +0,0 @@
-julia> p = ccall(:strdup, Ptr{Uint8}, (Ptr{Uint8},), "Hello world")
-Ptr{Uint8} @0x000000011731bde0
-
-julia> bytestring(p) # convert pointer back to a native Julia string
-"Hello world"
-
-julia> ccall(:free, Void, (Ptr{Uint8},), p)

Task/Call-a-foreign-language-function/Scala/call-a-foreign-language-function.scala

@@ -0,0 +1,7 @@
+object JNIDemo {
+  try System.loadLibrary("JNIDemo")
+
+  private def callStrdup(s: String)
+
+  println(callStrdup("Hello World!"))
+}