testing/proj4: add java-proj4 subpackage

add subpackage for java bindings
add check()
remove cd "$builddir"
remove empty variables
remove || return 1

1 files changed, 20 insertions, 0 deletions

diff --git a/testing/proj4/TestJni.java b/testing/proj4/TestJni.java
new file mode 100644
index 0000000000..6a517849f6
--- /dev/null
+++ b/testing/proj4/TestJni.java
@@ -0,0 +1,20 @@
+import org.proj4.*;
+import java.util.Arrays;
+
+/**
+ * Converts coordinates from EPSG:32632 (WGS 84 / UTM zone 32N) to WGS84,
+ * then prints the result to the standard output stream.
+ */
+public class TestJni {
+    public static void main(String[] args) throws PJException {
+        PJ sourcePJ = new PJ("+init=epsg:32632");           // (x,y) axis order
+        PJ targetPJ = new PJ("+proj=latlong +datum=WGS84"); // (λ,φ) axis order
+        double[] coordinates = {
+                500000,       0,   // First coordinate
+                400000,  100000,   // Second coordinate
+                600000, -100000    // Third coordinate
+        };
+        sourcePJ.transform(targetPJ, 2, coordinates, 0, 3);
+        System.out.println(Arrays.toString(coordinates));
+    }
+}