1Z0-815 Online Practice Questions and Answers

Given:

What is the result?

A. nothing

B. It fails to compile.

C. 0

D. A java.lang.IllegalArgumentException is thrown.

E. 10

Given: What is the output?

A. 300

B. Exception

C. 200

D. 100

Given:

What is the result?

A. It throws a runtime exception.

B. Value of Euler = 2.71828

C. The code does not compile.

D. Value of Euler = "2.71828"

Which two statements are true about Java modules? (Choose two.)

A. Modular jars loaded from --module-path are automatic modules.

B. Any named module can directly access all classes in an automatic module.

C. Classes found in –classpath are part of an unnamed module.

D. Modular jars loaded from –classpath are automatic modules.

E. If a package is defined in both the named module and the unnamed module, then the package in the unnamed module is ignored.

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

Given: What is the result?

A. 2134

B. 2143

C. 214

D. 234

Given:

Which two statements can be added at line 1 in Bar to successfully compile it? (Choose two.)

A. public List foo(Set m) { ... }

B. public ArrayList foo(Set m) { ... }

C. public List foo(TreeSet m) { ... }

D. public List foo(Set m) { ... }

E. public List