Which describes a characteristic of setting up the Java development environment?

• A.Setting up the Java development environment requires that you also install the JRE.
• B.The Java development environment is set up for all operating systems by default.
• C.You set up the Java development environment for a specific operating system when you install the JDK.
• D.Setting up the Java development environment occurs when you install an IDE before the JDK.

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Which two describe reasons to modularize the JDK? (Choose two.)

• A.improves application robustness
• B.easier to understand the Java language
• C.improves security and maintainability
• D.easier to build a custom runtime linking application modules and JDK modules
• E.easier to expose implementation details

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Given:

What is the result?

• A.True false
• B.True null
• C.Compilation fails
• D.A NullPointerException is thrown at runtime

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Given the for loop construct:
for ( expr1 ; expr2 ; expr3 ) {
statement;
}
Which two statements are true?

• A.This is not the only valid for loop construct; there exits another form of for loop constructor.
• B.The expression expr1 is optional.
  it initializes the loop and is evaluated once, as the loop begin.
• C.When expr2 evaluates to false, the loop terminates.
  It is evaluated only after each iteration through the loop.
• D.The expression expr3 must be present.
  It is evaluated after each iteration through the loop.

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Given:

What is the result?

• A.The compilation fails.
• B.1.99,2.99,0
• C.1.99,2.99,0.0
• D.1.99,2.99

Correct Answer: A

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