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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in the ORACLE 1Z0-006 exam dumps:

Secure resource access including filesystems, manage policies and execute privileged codeCreate and use enumerationsUtilize polymorphism and casting to call methods, differentiate object type versus reference typeDeclare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrityInitialize objects and their members using instance and static initialiser statements and constructorsCreate and use interfaces, identify functional interfaces, and utilize private, static, and default methodsCertification Path for Java SE 11 Developer Exam Number: 1Z0-819

Java SE 11 Developer Exam Number: 1Z0-819 is a fundamental exam. Successful completion by candidates will allow them to achieve Oracle Certified Professional: Java SE 11 Developer.

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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in the ORACLE 1Z0-006 exam dumps:

Understand variable scopes, apply encapsulation and make objects immutableDefine and use fields and methods, including instance, static and overloaded methodsCreate and use subclasses and superclasses, including abstract classesCreate, apply, and process annotationsHandle file system objects using java.nio.file APIRead and write console and file data using I/O StreamsUtilize polymorphism and casting to call methods, differentiate object type versus reference typeDeclare, use, and expose modules, including the use of servicesImplement serialization and deserialization techniques on Java objectsInitialize objects and their members using instance and static initialiser statements and constructorsConnect to and perform database SQL operations, process query results using JDBC APIAnnotationsOracle Java SE 11 Developer Sample Questions (Q67-Q72):

NEW QUESTION # 67
Given:

executed with this command:
java Main one two three
What is the result?

A. 0). oneB. It creates an infinite loop printing:0). one1). two1). two...C. The compilation fails.D. 0). one1). two2). threeE. A java.lang.NullPointerException is thrown.

Answer: B


NEW QUESTION # 68
Given:

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

A. Option DB. Option AC. Option ED. Option BE. Option C

Answer: B,C


NEW QUESTION # 69
Given the code fragment:

What is the result?

A. 3 : 0B. -1 : 2C. 2 : -1D. 2 : 3

Answer: C


NEW QUESTION # 70
Given:

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

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

Answer: C,F


NEW QUESTION # 71
Given:

What is the result?

A. 3 5 3 3B. 3 3 3 3C. 3 5 3 5D. 5 5 3 3

Answer: A

Explanation:


NEW QUESTION # 72
......

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