What makes Java dynamic?

• A.The runtime can process machine language sources as well as executables from different language compilers.
• B.The Java compiler preprocesses classes to run on specific target platforms.
• C.The Java compiler uses reflection to test if class methods are supported by resources of a target platform.
• D.At runtime, classes are loaded as needed, and new code modules can be loaded on demand.

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Given:

Which two methods facilitate valid ways to read instance fields? (Choose two.)

• A.getGCount
• B.getCCount
• C.getACount
• D.getTotalCount
• E.getTCount

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Given:

Which would cause s to be AQCD?

• A.s.replace(s.indexOf("A"), s.indexOf("B"), "Q");
• B.s.replace(s.indexOf("B"), s.indexOf("B"), "Q");
• C.s.replace(s.indexOf("A"), s.indexOf("C"), "Q");
• D.s.replace(s.indexOf("B"), s.indexOf("C"), "Q");

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Given:

What is the output?

• A.null
• B.A NoSuchElementException is thrown at run time.
• C.Duke
• D.A NullPointerException is thrown at run time.

Correct Answer: C

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Given the declaration:

Examine this code fragment:
/* Loc1 */ class ProcessOrders { ... }
Which two annotations may be applied at Loc1 in the code fragment? (Choose two.)

• A.@Resource(name="Customer1")
• B.@Resource(priority=100)
• C.@Resource(name="Customer1", priority=100)
• D.@Resource
• E.@Resource(priority=0)

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