Free Oracle 1z0-819 Practice Exam with Questions & Answers | Set: 4

Class Tester does not need to import java.time.LocalDate because it is already visible to members of the package test.

All classes from the package java.time. are loaded for the class Diary.

Only LocalDate class from java.time package is loaded.

Tester must import java.time.LocalDate in order to compile.

nothing

It fails to compile.

0

A java.lang.IllegalArgumentException is thrown.

10

the readExternal method

nothing

the readExternal and writeExternal method

the writeExternal method

UnaryOperator u = (int i) -> i * 2;

UnaryOperator u = (var i) -> (i * 2);

UnaryOperator u = var i -> { return i * 2; };

UnaryOperator u = i -> { return i * 2);

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

Stmt.setNull(2 string, class);

Stmt.setNull(2, null);

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

Short value 25

The compilation fails due to an error in line 1.

Byte value 25

Object value 25

System.out is the standard output stream. The stream is open only when System.out is called.

System.in cannot reassign the other stream.

System.out is an instance of java.io.OutputStream by default.

System.in is the standard input stream. The stream is already open.

1

The compilation fails at line

10

The compilation fails at line 16.

The compilation fails at line 13.

java.base exports all of the Java platforms core packages.

module-info.java can be placed in any folder inside module-path.

A module must be declared in module-info.java file.

module-info.java cannot be empty.

By default, modules can access each other as long as they run in the same folder.

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

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

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

public List