What is the default value of a member variable (field) of an object in Java if it is not explicitly initialized?
A. Depends on the data type (e.g., 0 for int, null for objects)
B. Compilation Error
C. 1
D. False
Answer: Option A
Related Questions on Miscellaneous in Java
A. Factory Method
B. Singleton
C. Builder
D. Prototype
In Java, which keyword is used to explicitly call the superclass constructor?
A. parent()
B. extends
C. this()
D. super()
What is the output of the following code snippet in Java? `System.out.println("5 + 2 = " + 5 + 2);`
A. 5 + 2 = 7
B. 7
C. 5 + 2 = 52
D. Compilation Error
What is the purpose of the `hashCode()` method in Java's Object class?
A. To execute SQL queries
B. To return a unique identifier for an object
C. To create JavaBeans
D. To execute SQL queries
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