Online Access Free 1z1-819 Exam Questions

Given the code fragment:

What is the output?

• A.41 def 42
• B.Def 42
• C.An exception is thrown at runtime
• D.Null

Given:

What is the result?

• A.An exception is thrown at runtime.
• B.3.0
• C.2.0
• D.The program pints nothing.
• E.1.0

Given these classes:

And this code fragment:

What is the result?

• A.The program throws an exception.
• B.The program fails to compile.
• C.The program prints: c
• D.The program prints: A

Given:

Which two codes, independently, can be inserted in line to 1 compile?

• A.Abacus aba = (a, b) -> a * b;
• B.Abacus aba = (int i, j) -> ( return i * j; };
• C.Abacus aba = v, w -> x * y;
• D.Abacus aba = (int e, int f) -> { return e * f; };
• E.Abacus aba = (int m, int n) -> { m * n };

What makes Java dynamic?

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