Microsoft Exam 98-388 Questions Answers Test Simulator

Microsoft 98-388 Exam Topics

Understand Java fundamentals 15-20%

Describe the use of main in a Java application

• signature ofmain, why it is static; how to consume an instance of your own class;command-line arguments

Perform basic input and output using standard packages

• print statements; import and use the Scanner class

Evaluate the scope of a variable

• declare a variablewithin a block, class, or method

Work with data types, variables, and expressions 40-45%

Declare and use primitive data type variables

• data types, including byte, char, int, double, short, long, float, boolean; identify whenprecision is lost; initialization; how primitives differ from wrapper object types such asInteger and Boolean

Construct and evaluate code that manipulates strings

• string class and string literals, comparisons, concatenation, case and length; String.formatmethods; string operators; converting a primitive data type to a string; the immutablenature of strings; initialization; null

Construct and evaluate code that creates, iterates, and manipulates arrays and array lists

• one-and two-dimensional arrays, including initialization, null,size, iterating elements,accessing elements; array lists, including adding and removing elements, traversing thelist

Construct and evaluate code that performs parsing, casting and conversion

• implementing code that casts between primitive data types, converts primitive types toequivalent object types, or parses strings to numbers

Construct and evaluate arithmetic expressions

• arithmetic operators, assignment, compound assignment operators, operatorprecedence

Implement flow control 15-20%

Construct and evaluate code that uses branching statements

• if, else, else if, switch; single-line versus block; nesting; logical and relational operators

Construct and evaluate code that uses loops

• while, for, for each, do while; break and continue; nesting; logical,relational, and unaryoperators

Perform object-oriented programming 10-15%

Construct and evaluate a class definition

• constructors; constructor overloading; one class per .java file; this keyword; inheritanceand overriding at a basic level

Declare,implement, and access data members in a class

• private, public, protected; instance data members; static data members; using static finalto create constants; describe encapsulation

Declare, implement, and access methods

• private, public, protected; method parameters; return type; void; return value; instancemethods; static methods; overloading

Instantiate and use a class object in a program

• instantiation; initialization; null; accessing and modifying data members; accessingmethods; accessing and modifyingstatic members; importing packages and classes

Compile and debug code 5-10%

Troubleshoot syntax errors, logic errors, and runtime errors

• print statement debugging; output from the javaccommand; analyzing code for logicerrors; console exceptions after running the program; evaluating a stack trace

Implement exception handling

• try catch finally; exception class; exception class types; display exception information

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