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Showing posts with label MCA Semester 3. Show all posts
Showing posts with label MCA Semester 3. Show all posts

Unit -2: Inheritance and sub classing in Java and packages and use of access specifiers

  • Defining subclasses
  • Using super to use constructor of a super-class, Method overriding and use of super, Variable shadowing and use of super.
  • Method and variable binding
  • Using final with variables, methods and classes
  • Abstract classes and interfaces, Abstract classes and abstract methods
  • Single inheritance of classes, Interfaces
  • Object class as the super class of all classes, Methods inherited from the Object class
  • Uses of package and import statements, use of static imports
  • Use of CLASSPATH for class loading
  • Access specifiers, Access specifiers for members of a package, Access specifiers for members of a class, Access specifiers for overriding methods
  • Using the Java APIs
  • Commonly used classes from the java. language package
  • Comparable and Comparator interfaces
  • String, String Buffer and the String Builder classes
  • Understanding pass by value and pass by reference for Java
  • Wrapper classes
  • Math class constants and methods
Also See Unit 1

Download Unit 2 PPT

Java Unit 1 Object Oriented Programming And Introduction To Java, Data Types, Operators, Statements And Defining Classes In Java


  •  Features of the Java Language, Object-oriented Programming
  • Creating an Application in Java, Compiling and executing Applications in Java
  • Program comments
  • Primitive data types, Integer Data Types, Floating Point Data Types
  • Reference Data types
  • Arrays, single and multi-dimensional arrays
  • Other reference types, classes, interfaces, enums and annotations
  • Unicode escapes in Java source code
  • Understanding super types and subtypes.
  • Operators - Arithmetic, String concatenation, Relational, Logical, Bitwise, increment-decrement,conditional, assignment, cast and instance of operators.
  • Understanding the narrowing and widening conversions of numeric data types.
  • Statements - if, if-else, switch-case, for, while, do-while, break, continue and return statements.
  • Various members within a class instance variables
  • methods and their overloading
  •  constructors and their overloading
  • Garbage collector and finalize method
  • static variables and methods
  • initializer blocks and the class initializer blocks 
Also See Unit-2

Download Unit 1 PPT


MCA Semester 3

SubjectCodeSubject
630001Structured & Object Oriented Analysis &
Design Methodology (SOOADM)  IMP Questionss
630002Fundamentals of Java Programming
(Java)
630003Statistical Methods (SM) SM Exercise Solution 
630004Operating Systems (OS)
630005System Software (SS)
630006Programming Skills-IV (Java)
630007Programming Skills-V (OS)

Download Presentations
Question Papers
Syllabus of GTU MCA Semester 3

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