What is a parameterized reference in Java?

Hi, I kind of had a look at both the books. Both books are almost the same size(if you leave out the projects given at the end of complete reference), so both books would kind of take the same amount of time to plod through.I know many people say that...

// Java Code:     public class  A extends Applet{             public void foo(int[] a)         {             a[0]=3;         }     }         //Javascript Code:     var arg = new Array(1);     arg[0]=2;     Applet.foo(arg); But `arg[0]` remains `2`

How can actual reference to an object to point null in a method, when we pass the object as an argument to a method?  As Java always pass an object as a "copy" of actual reference rather than actual reference to object.

Ref: This statement is from SCJP book written Kathy Sierra. The interface is public interface Interface_Animals { public abstract void interfaceAnimals_Method(); } //////// class Animal implements Interface_Animals{ Animal animalanimal = new Animal...

I am familiar with the concepts of C++ and OOP. However, I also have knowledge of few elementary concepts of Java. I need a book to gain expertise in Java programming. Which book is better for this, Head First Java or Complete Reference Java?

hello, I need to finish a program that will produce a cross reference of the words in a file... the instructions i have been given are below. When I try to run what I have been given the program freezes and nothing happens any help would be too good...

which one for java game programming?

Java CVE Exploits Naming Convension

I understand in Java when you pass one of the eight primitive data types to a method, you are passing by value, but when you pass an object you pass by reference. I'm somewhat confused why in this short java program why the string object still retains...