Given:

What is the result?

• A.4
• B.3
• C.An exception is thrown at runtime.
• D.5

Correct Answer: D

Comment: *

Name: *

Email: *

Verification: *

Given:

Which two statements are true if the method is added to Bar? (Choose two.)

• A.public <T> List<T> foo(Collection<T> arg) { ... } overrides Foo.foo.
• B.public <T> Collection<T> foo(Stream<T> arg) { ... } overloads Foo.foo.
• C.public Collection<String> foo(Collection<String> arg) { ... } overrides Foo.foo.
• D.public <T> Iterable<T> foo(Collection<T> arg) { ... } overrides Foo.foo.
• E.public <T> Collection<T> bar(Collection<T> arg) { ... } overloads Foo.foo.
• F.public <T> Collection<T> foo(Collection<T> arg) { ... } overloads Foo.foo.

Comment: *

Name: *

Email: *

Verification: *

Given:

You want to examine the items list it contains an item for which the variable count is below zero.
Which code fragment at line 1 accomplish this?

• A.If (items.stream () .filter (i -> count < 0) . findAny () ) {
• B.If (items.stream () .anymatch (i -> count < 0) < 0) ) {
• C.If (items.stream () .allmatch (i -> count < 0) < 0) ) {
• D.If (items.stream () .filter (i -> count < 0) . findFirst () ) {

Comment: *

Name: *

Email: *

Verification: *

Given:

executed with this command:
java Main one two three
What is the output of this class?

• A.nothing
• B.The compilation fails.
• C.1) one
• D.A java.lang.ArrayIndexOutOfBoundsException is thrown.
• E.1) one2) two3) three

Comment: *

Name: *

Email: *

Verification: *

Which is the correct order of possible statements in the structure of a Java class file?

• A.import, class, package
• B.import, package, class
• C.class, package, import
• D.package, import, class
• E.package, class, import

Comment: *

Name: *

Email: *

Verification: *