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10 Questions

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Understanding Java Object Life Cycle

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Questions and Answers

At what stage does Java allocate memory for the object and memory for the object reference variable?

Stage 4

Stage 5 (correct)

Stage 6

Stage 7

When is the constructor of a class called in Java?

After allocating memory for the object (correct)

Before allocating memory for the object

Every time the object is accessed

After removing the object from memory

When does the Java runtime call the garbage collector to destroy objects?

Every time the object reference variable is removed

When the object is no longer in use (correct)

After calling the constructor of the class

After allocating memory for the object

In Java, when does an object 'die' according to the text?

When the accessing of field and methods are completed Signup and view all the answers

What happens when you run the main method in a class in Java?

The class is initialized because the main method is static Signup and view all the answers

What is the first step in the life cycle of an object in Java?

Creation of the object on disk Signup and view all the answers

When a Java class is compiled, what is it transformed into?

Byte code Signup and view all the answers

What is the role of the Java classloader in the life cycle of an object?

Loading the class into memory Signup and view all the answers

Where do initialized static members of a class belong in Java?

They belong to the class itself and are shared by all objects created from the class Signup and view all the answers

When can a class be initialized in Java?

When you access a static field or static method of the class Signup and view all the answers