java certifications study note

Jun 18th, 2015
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Section 1 Declarations and Access Control • Write code that declares, constructs, and initializes arrays of any base type using any of the permitted forms both for declaration and for initialization. • Declare classes, inner classes, methods, instance variables, static variables, and automatic (method local) variables making appropriate use of all permitted modifiers (such as public, final,static, abstract, and so forth). State the significance of each of these modifiers both singly and in combination, and state the effect of package relationships on declared items qualified by these modifiers. • For a given class, determine if a default constructor will be created, and if so, state the prototype of that constructor. • State the legal return types for any method given the declarations of all related methods in this or parent classes. Section 2 FLOW CONTROL AND EXCEPTION HANDLING • Write code using if and switch statements and identify legal argument types for these statements.

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Exam ObjectivesSection 1 Declarations and Access Control Write code that declares, constructs, and initializes arrays of any base type using any of the permitted forms both for declaration and for initialization. Declare classes, inner classes, methods, instance variables, static variables, and automatic (method local) variables making appropriate use of all permitted modifiers (such as public, final,static, abstract, and so forth). State the significance of each of these modifiers both singly and in combination, and state the effect of package relationships on declared items qualified by these modifiers. For a given class, determine if a default constructor will be created, and if so, state the prototype of that constructor. State the legal return types for any method given the declarations of all related methods in this or parent classes. Section 2 FLOW CONTROL AND EXCEPTION HANDLING Write code using if and switch statements and identify legal argument types for these statements. Write code using all forms of loops including labeled and unlabeled use of break and continue, and state the values taken by loop control variables during and after loop execution. Write code that makes proper use of exceptions and exception handling clauses (try, catch, finally) and declares methods and overriding methods that throw exceptions. Section 3 Garbage Collection State the behavior that is guaranteed by the garbage collection system, and write code that explicitly makes o

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