Maximum Grades By Making ready With 1Z0-819 Dumps UPDATED 2023 [Q119-Q140]

NEW QUESTION 119
Given:

Assume the file on path does not exist. What is the result?

The compilation fails.

/u01/work/filestore.txt is not deleted.

Exception

/u01/work/filestore.txt is deleted.

NEW QUESTION 120
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?

If (items.stream () .filter (i -> count < 0) . findFirst () ) {

If (items.stream () .filter (i -> count < 0) . findAny () ) {

If (items.stream () .allmatch (i -> count < 0) < 0) ) {

If (items.stream () .anymatch (i -> count < 0) < 0) ) {

NEW QUESTION 121
Given:

Assume the file on path does not exist. What is the result?

The compilation fails.

/u01/work/filestore.txt is not deleted.

Exception

/u01/work/filestore.txt is deleted.

NEW QUESTION 122
Given:

What is the result?

The compilation fails.

Y@<< hashcode>>

Null

HH

NEW QUESTION 123
Given:

What is the result?

6910 3

10126 3

3

6104 3

NEW QUESTION 124
Given:

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

public Collection<String> foo(Collection<String> arg) { … } overrides Foo.foo.

public <T> Collection<T> foo(Stream<T> arg) { … } overloads Foo.foo.

public <T> List<T> foo(Collection<T> arg) { … } overrides Foo.foo.

public <T> Collection<T> foo(Collection<T> arg) { … } overloads Foo.foo.

public <T> Collection<T> bar(Collection<T> arg) { … } overloads Foo.foo.

public <T> Iterable<T> foo(Collection<T> arg) { … } overrides Foo.foo.

NEW QUESTION 125
Given the Customer table structure:
* ID Number Primary Key
* NAME Text Nullable
Given code fragment:

Which statement inserted on line 14 sets NAME column to a NULL value?

Stmt.setNull(2, java,sql. Types, VARCHAR);

Stmt.setNull(2 string, class);

Stmt.setNull(2, null);

Stmt.setNull(2, java.lang, string);

NEW QUESTION 126
Given:

Which two methods modify field values? (Choose two.)

setAllCounts

setACount

setGCount

setCCount

setTCount

NEW QUESTION 127
Which two statements independently compile? (Choose two.)

List<? super Short> list = new ArrayList<Number>();

List<? super Number> list = new ArrayList<Integer>();

List<? extends Number> list = new ArrayList<Byte>();

List<? extends Number> list = new ArrayList<Object>();

List<? super Float> list = new ArrayList<Double>();

NEW QUESTION 128
Given:

What is the result?

An indexOutofBoundsException is thrown at runtime.

At once 0

Hat at store 4

At once 1

Hat at store 1

NEW QUESTION 129
Given the code fragment:

What is the result?

A java.lang, UnsupportedOperationException is thrown.

True

False

A java.lang.NullPointerException is thrown.

NEW QUESTION 130
Which two statements are correct about try blocks? (Choose two.)

A try block can have more than one catch block.

A finally block in a try-with-resources statement executes before the resources declared are closed.

A finally block must be immediately placed after the try or catch blocks.

A try block must have a catch block and a finally block.

catch blocks must be ordered from generic to specific exception types.

NEW QUESTION 131
Given TripleThis.java:

Compiling TripleThis.java gives this compiler warning:
Note: TripleThis.java uses unchecked or unsafe operations.
Which two replacements done together remove this compiler warning?

Replace line 9 with function<Integer> tripler = x-> – { return (Integer) X * 3 ; }.

Replace line 12 with public static void printValue function<Integer> f, int num) {.

Replace line 12 with public static int printValue function<Integer, Integer>, f, T num {.

Replace line 12 with public static <T> void printValue (Function<T, T> f, T num ) {,

Replace line 9 with function<Integer>, Integer> = X -> { return (integer) x * 3; }.

NEW QUESTION 132
Given:

and

Which code fragment on line 1 makes the s1 set contain the names of all employees born before January 1, 1989?

Option A

Option B

Option C

Option D

NEW QUESTION 133
Given:

What is the result?

Map: 0 Keys: 0 Values: 0

The compilation fails.

Map: 4 Keys: 4 Values: 4

Map: 4 Keys: 0 Values: 0

Map: 0 Keys: 4 Values: 4

NEW QUESTION 134
Given an application with a main module that has this module-info.java file:

Which two are true? (Choose two.)

A module providing an implementation of country.CountryDetails can be compiled and added without recompiling the main module.

A module providing an implementation of country.CountryDetails must have a requires main; directive in its module-info.java file.

An implementation of country.countryDetails can be added to the main module.

To compile without an error, the application must have at least one module in the module source path that provides an implementation of country.CountryDetails.

To run without an error, the application must have at least one module in the module path that provides an implementation of country.CountryDetails.

NEW QUESTION 135
Given the code fragment:

Which two statement inserted independently at line 1 enable this code to print PRRT?

i-;

continue b;

break b;

j–;

continue a;

break a ;

NEW QUESTION 136
Given:

Which two method implementations are correct, when inserted independently in line 1? (Choose two.)

Option A

Option B

Option C

Option D

Option E

NEW QUESTION 137
Given:

What is the result?

6910 3

10126 3

3

6104 3

NEW QUESTION 138
Which code fragment prints 100 random numbers?

Option A

Option B

Option C

Option D

NEW QUESTION 139
Given:

You want the code to produce this output:
John
Joe
Jane
Which code fragment should be inserted on line 1 and line 2 to produce the output?

Insert Comparator<Person> on line 1.
Insert
public int compare(Person p1, Person p2) {
return p1.name.compare(p2.name);
}
on line 2.

Insert Comparator<Person> on line 1.
Insert
public int compareTo(Person person) {
return person.name.compareTo(this.name);
}
on line 2.

Insert Comparable<Person> on line 1.
Insert
public int compare(Person p1, Person p2) {
return p1.name.compare(p2.name);
}
on line 2.

Insert Comparator<Person> on line 1.
Insert
public int compare(Person person) {
return person.name.compare(this.name);
}
on line 2.

NEW QUESTION 140
What is the result?

357

35

235

2357

An ArrayIndexOutOfBoundsException is thrown at runtime.

Maximum Grades By Making ready With 1Z0-819 Dumps UPDATED 2023 [Q119-Q140]

Be the first to reply

Leave a Reply Cancel reply