Given the following class, which of the following calls print out Blue Jay?
public class BirdDisplay { public static void main(String[] name) { System.out.println(name[1]); } }
❌ A. java BirdDisplay Sparrow Blue Jay ✅ B. java BirdDisplay Sparrow "Blue Jay" ❌ C. java BirdDisplay Blue Jay Sparrow ❌ D. java BirdDisplay "Blue Jay" Sparrow ❌ E. java BirdDisplay.class Sparrow "Blue Jay" ❌ F. java BirdDisplay.class "Blue Jay" Sparrow ❌ G. Does not compile
Explanation: Option B is correct because arrays start counting from zero and strings with spaces must be in quotes. Option A is incorrect because it outputs Blue. C is incorrect because it outputs Jay. Option D is incorrect because it outputs Sparrow. Options E and F are incorrect because they output Error: Could not find or load main class BirdDisplay.class.
Given the following class, which of the following calls print out Blue Jay?
public class BirdDisplay { public static void main(String[] name) { System.out.println(name[1]); } }
❌ A. java BirdDisplay Sparrow Blue Jay ✅ B. java BirdDisplay Sparrow "Blue Jay" ❌ C. java BirdDisplay Blue Jay Sparrow ❌ D. java BirdDisplay "Blue Jay" Sparrow ❌ E. java BirdDisplay.class Sparrow "Blue Jay" ❌ F. java BirdDisplay.class "Blue Jay" Sparrow ❌ G. Does not compile
Explanation: Option B is correct because arrays start counting from zero and strings with spaces must be in quotes. Option A is incorrect because it outputs Blue. C is incorrect because it outputs Jay. Option D is incorrect because it outputs Sparrow. Options E and F are incorrect because they output Error: Could not find or load main class BirdDisplay.class.
BY Explanations “Top Java Quiz Questions”
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Should I buy bitcoin?
“To the extent it is used I fear it’s often for illicit finance. It’s an extremely inefficient way of conducting transactions, and the amount of energy that’s consumed in processing those transactions is staggering,” the former Fed chairwoman said. Yellen’s comments have been cited as a reason for bitcoin’s recent losses. However, Yellen’s assessment of bitcoin as a inefficient medium of exchange is an important point and one that has already been raised in the past by bitcoin bulls. Using a volatile asset in exchange for goods and services makes little sense if the asset can tumble 10% in a day, or surge 80% over the course of a two months as bitcoin has done in 2021, critics argue. To put a finer point on it, over the past 12 months bitcoin has registered 8 corrections, defined as a decline from a recent peak of at least 10% but not more than 20%, and two bear markets, which are defined as falls of 20% or more, according to Dow Jones Market Data.
