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Java Programming MCQ

1. When a numeric variable is concatenated to a string, the entire expression becomes a(n) ____.

Answer

Correct Answer: String

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2. The statement system.out.printf("%10s", 123456) outputs ________. (note: * represents a space)

Answer

Correct Answer: B

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3. The signature of a method consists of ____________.

Answer

Correct Answer: Method name and parameter list

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4. The setonaction method is defined in ________.

Answer

Correct Answer: ButtonBase

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5. The expression "java " + 1 + 2 + 3 evaluates to ________.

Answer

Correct Answer: Java 123

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6. The capability to inherit from more than one class is called ____.

Answer

Correct Answer: Multiple inheritance

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7. A class that cannot be instantiated is called a/an ____.

Answer

Correct Answer: Abstract class.

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8. (int)(math.random() * (65535 + 1)) returns a random number ________.

Answer

Correct Answer: Between 0 and 65535

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MCQ on Basic Software Engineering MCQ on Collaborative software
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