❌ A. Orca diving ✅ B. The code will not compile because of line 2 ❌ C. The code will not compile because of line 8 ❌ D. The code will not compile because of line 9 ❌ E. The output cannot be determined from the code provided
Explanation: This may look like a complex question, but it is actually quite easy. Line 2 contains an invalid definition of an abstract method. Abstract methods cannot contain a body, so the code will not compile and option B is the correct answer. If the body {} was removed from line 2, the code would still not compile, although it would be line 8 that would throw the compilation error. Since dive() in Whale is abstract and Orca extends Whale, then it must implement an overridden version of dive(). The method on line 9 is an overloaded version of dive(), not an overridden version, so Orca is an invalid subclass and will not compile.
❌ A. Orca diving ✅ B. The code will not compile because of line 2 ❌ C. The code will not compile because of line 8 ❌ D. The code will not compile because of line 9 ❌ E. The output cannot be determined from the code provided
Explanation: This may look like a complex question, but it is actually quite easy. Line 2 contains an invalid definition of an abstract method. Abstract methods cannot contain a body, so the code will not compile and option B is the correct answer. If the body {} was removed from line 2, the code would still not compile, although it would be line 8 that would throw the compilation error. Since dive() in Whale is abstract and Orca extends Whale, then it must implement an overridden version of dive(). The method on line 9 is an overloaded version of dive(), not an overridden version, so Orca is an invalid subclass and will not compile.
BY Explanations “Top Java Quiz Questions”
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Most people buy Bitcoin via exchanges, such as Coinbase. Exchanges allow you to buy, sell and hold cryptocurrency, and setting up an account is similar to opening a brokerage account—you’ll need to verify your identity and provide some kind of funding source, such as a bank account or debit card. Major exchanges include Coinbase, Kraken, and Gemini. You can also buy Bitcoin at a broker like Robinhood. Regardless of where you buy your Bitcoin, you’ll need a digital wallet in which to store it. This might be what’s called a hot wallet or a cold wallet. A hot wallet (also called an online wallet) is stored by an exchange or a provider in the cloud. Providers of online wallets include Exodus, Electrum and Mycelium. A cold wallet (or mobile wallet) is an offline device used to store Bitcoin and is not connected to the Internet. Some mobile wallet options include Trezor and Ledger.
Tata Power whose core business is to generate, transmit and distribute electricity has made no money to investors in the last one decade. That is a big blunder considering it is one of the largest power generation companies in the country. One of the reasons is the company's huge debt levels which stood at ₹43,559 crore at the end of March 2021 compared to the company’s market capitalisation of ₹44,447 crore.
