❌ A. 1-11-2 ✅ B. 3.0-11.0-2 ❌ C. 1.0-11.0-3 ❌ D. 3.0-13.0-3 ❌ E. 3.0f-12-2 ❌ F. The code does not compile because one of assignments requires an explicit numeric cast
Explanation: Initially, moon is assigned a value of 9, while star is assigned a value of 8. The multiplication operator (*) has a higher order of precedence than the addition operator (+), so it gets evaluated first. Since star is not greater than 10, sun is assigned a value of 3, which is promoted to 3.0f as part of the assignment. The value of jupiter is (3.0f + 9) - 1.0, which is 11.0f. This value is implicitly promoted to double when it is assigned. In the last assignment, moon is predecremented from 9 to 8, with the value of the expression returned as 8. Since 8 is less than or equal to 8 is true, mars is set to a value of 2. The final output is 3.0-11.0-2, making option B the correct answer. Note that while Java outputs the decimal for both float and double values, it does not output the f for float values.
❌ A. 1-11-2 ✅ B. 3.0-11.0-2 ❌ C. 1.0-11.0-3 ❌ D. 3.0-13.0-3 ❌ E. 3.0f-12-2 ❌ F. The code does not compile because one of assignments requires an explicit numeric cast
Explanation: Initially, moon is assigned a value of 9, while star is assigned a value of 8. The multiplication operator (*) has a higher order of precedence than the addition operator (+), so it gets evaluated first. Since star is not greater than 10, sun is assigned a value of 3, which is promoted to 3.0f as part of the assignment. The value of jupiter is (3.0f + 9) - 1.0, which is 11.0f. This value is implicitly promoted to double when it is assigned. In the last assignment, moon is predecremented from 9 to 8, with the value of the expression returned as 8. Since 8 is less than or equal to 8 is true, mars is set to a value of 2. The final output is 3.0-11.0-2, making option B the correct answer. Note that while Java outputs the decimal for both float and double values, it does not output the f for float values.
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.
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