Technology Questions

new ClassName();

This expression creates object in heap area and returns that obj address. Here JVM creates object but JVM does not returns object original address. JVM returns duplicate address, duplicate address is also called as hashcode. 

This is a keyword and used as reference to Current object address in java. 

It means by using which object the method is called that object hashcode is stored inside the 'this'.

The web hosting on the server can be accomplished by using the IP based hosting that provides resources and services as follows:

- IP based hosting provides dedicated IPs that consists of virtual hosts and having the different IP address. 

- Web server is configured with different and multiple physical network interfaces using the same physical interface. 

- Web server uses this IP address to connect the client with the server to determine the web site that provides the client a view of it. 

- IP addresses provide the resources that are required in order to use the SSL certificates and other resources rather than shared certificate.

The main reason why the scope resolution operator (::) cannot be overloaded is that only operators that take in values as parameters can be overloaded. The scope resolution operator does not take a value as parameter.

JAR files are java's version of ZIP files. In fact, JAR uses the ZIP file format.

uses:

- to compress a number of . class files into one file

- to make a java executable JAR file.

iPhone responds to motion using a built-in accelerometer.
The accelerometer detects the movement and changes the display accordingly, at the time of rotating iPhone from portrait to landscape. 

For web application we perform following time of test:

1. Functionality Testing.

2. Usability Testing.

3. Navigation Testing.

4. Configuration and Compatibility testing.

5. Reliability and Availability Testing.

6. Performance Testing.

7. Load and Stress Testing.

8. Security Testing

Enterprise systems (ES) are large-scale application software packages that support business processes, information flows, reporting, and data analytics in complex organizations.

Here option A) The software is expressly built to allow companies to mimic their unique business practices is not TRUE about enterprise systems.