MTA : Core java

Exam 98-388: Introduction to Programming Using Java

 

• Describe the use of main in a Java application
  • Signature of main, 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; importing and using the Scanner class


• Evaluate the scope of a variable
  • Declaring a variable within a block, class, method


• Construct and evaluate code that manipulates strings
  • String class and string literals, comparisons, Concatenation, case and length; String.format methods; string operators; converting a primitive data type to a string; the immutable nature of strings; initialization; null


• Construct and evaluate code that creates, iterate, 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 the list


• Construct and evaluate code that performs parsing, casting and conversion
  • Implementing code that casts between primitive data types, converts primitive types to equivalent object types, or parses strings to numbers


• Construct and evaluate arithmetic expressions
  • Arithmetic operators, assignment, compound assignment operators, operator Precedence


• Construct and evaluate code that uses branching statements
  • If, else, else if, switch; single-line vs. 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 unary Operators
• Construct and evaluate a class definition
  • Constructors;constructor overloading; one class per .java file; this keyword; inheritance and 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 final to create constants; describe encapsulation
• Declare, implement, and access methods
  • Private, public, protected; method parameters; return type; void; return value; instance methods; static methods; overloading
• Instantiate and use a class object in a program
  • Instantiation; initialization; null; accessing and modifying data members; accessing methods; accessing and modifying static members; importing packages and classes
• Troubleshoot syntax errors, logic errors, and runtime errors
  • Print statement debugging; output from the javac command; analyzing code for logic errors; console exceptions after running the program; evaluating a stack trace
• Implement exception handling
  • Try catch finally; exception class; exception class types; displaying exception information

 

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