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

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

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• Utilize polymorphism and casting to call methods, differentiate object type versus reference type
• Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
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• Create and use subclasses and superclasses, including abstract classes
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• Create and use enumerations
• Secure resource access including filesystems, manage policies and execute privileged code
• Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
• Understand variable scopes, apply encapsulation and make objects immutable

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Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913

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