add java example and missing cvsignore files

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8137 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/ruby/java/Example.java

@@ -0,0 +1,29 @@
+public class Example {
+    public   int      mPublicInt;
+    
+    public Example() {
+	mPublicInt = 0;
+    }
+    
+    public Example(int IntVal) {
+	mPublicInt = IntVal;
+    }
+    
+    
+    public int Add(int a, int b) {
+	return (a+b);
+    }
+    
+    public float Add(float a, float b) {
+	return (a+b);
+    }
+    
+    public String Add(String a, String b) {
+	return (a+b);
+    }
+    
+    public Example Add(Example a, Example b) {
+	return new Example(a.mPublicInt + b.mPublicInt);
+    }
+}
+