To Open a Connection, Which of the Following Statements Can

question 23

Multiple Choice

To open a connection, which of the following statements can you use?

• A) URL u = new URL("http://www.yahoo.com");
• URLConnection conn = u.open();
• B) URL u = new URL("http://www.yahoo.com");
• URLConnection conn = new URLConnection(u);
• C) URL u = new URL("http://www.yahoo.com");
• URLConnection conn = u.openURLConnection();
• D) URL u = new URL("http://www.yahoo.com");
• URLConnection conn = u.openConnection();

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Definitions:

Nitrous Oxide

Nitrous oxide, also known as laughing gas, is a colorless, non-flammable gas used as an anesthetic in dentistry and surgery, and also as a greenhouse gas contributing to climate change.

Methane

A colorless, odorless flammable gas that is a major component of natural gas and a potent greenhouse gas contributing to global warming.

Climate Models

Complex computer programs that simulate the Earth's climate systems to predict future climate changes based on various scenarios of greenhouse gas emissions.

Solar Radiation

The energy emitted by the sun, including visible light, ultraviolet light, and infrared radiation, which drives the earth’s climate and supports life.