What makes Java dynamic?

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

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Given:

Which would cause s to be AQCD?

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

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Which two statements are true about the modular JDK? (Choose two.)

• A.It is possible but undesirable to configure modules' exports from the command line.
• B.An application must be structured as modules in order to run on the modular JDK.
• C.APIs are deprecated more aggressively because the JDK has been modularized.
• D.The foundational APIs of the Java SE Platform are found in the java.base module.

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Which two statements are correct about try blocks? (Choose two.)

• A.A finally block must be immediately placed after the try or catch blocks.
• B.catch blocks must be ordered from generic to specific exception types.
• C.A try block can have more than one catch block.
• D.A finally block in a try-with-resources statement executes before the resources declared are closed.
• E.A try block must have a catch block and a finally block.

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Given:

What is the expected result of javac?

• A.javac compiles Mycar.java without errors or warnings.
• B.javac fails to compile the class and prints the error message, Error: Could not find or load main class Mycar.class
• C.javac fails to compile the class and prints the error message, C:\workspace4\Mycar.java:1:error: package java does not exist
• D.javac fails to compile the class and prints the error message, C:\workspace4\Mycar.java:1:error:
  expected import java.lang

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