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Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local instances and in the heap if they are member variables. In Java functions and local variables are pushed into stack when a function is called and stack pointer is decremented when a method invoke is finished. In a multi-threaded application each thread may have its own stack but will share the similar heap. That is why care could be taken in your code to avoid any concurrent access concern in the heap space. The stack is thread-safe because each and every thread will have its own stack with say 1MB RAM allocated for each thread but the heap is not thread-safe unless protected with synchronization through your code. The stack space may be increased with the -Xss option.
All Java functions are automatically re-entrant. It states that various threads can be executing the same method at once, each with its own copy of the local instance. A Java method can call itself without using any special declarations. That is known as a recursive method call. Provided enough stack space, recursive method calls are completely perfect and valid in Java though it is tough to debug
Difference between URL instance and URL Connection instance? Ans) A URL instance shows the location of a resource, and a URL Connection instance shows a link for accessing or co
What are the Sub categories of Artificial Intelligence? Briefly explain any two. 1. Robotics : These are the machines that are computer programmed and perform work that was pr
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consider the file name cars.text each line in the file contains information about a car ( year,company,manufacture,model name,type) 1-read the file 2-add each car which is represen
Question: (a) What are the main differences between an object and a class? Illustrate with appropriate examples. (b) Differentiate between a global variable and a local va
For this Assignment, submit the following program: Create an application for an animal-fur trimming service. The business is open 15 weeks of the year, from April through July. The
public class Tester { static void test(int[] a) { int[] b = new int[2]; a = b; System.out.print(b.length); System.out.print(a.length); } public static void main(String[] arg
Want simple functional website without any graphic work, like panel Project Description: I want a very simple look website .It should be like a panel. Few tab, contact form,
Object diagrams define instances instead of classes. They are useful for illustrating some complicated objects in detail about their recursive relationships. When
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