add example for #4: Boxing Overloading

Author: amelentev

examples/ValueOf.java

@@ -0,0 +1,12 @@
+import java.math.*;
+
+public class ValueOf {
+	public static boolean test() {
+		BigInteger a = BigInteger.valueOf(123);
+		BigInteger b = 123;
+		return a.equals(b);
+	}
+	public static void main(String []args) {
+		System.out.println(test());		
+	}
+}