JAVA in BCA is an important subject in which students learn about JAVA Language in their syllabus.
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📄1.) SECTION – A :
Write any 6 characteristics of JAVA Programming Language Explain the use of Final Keyword Explain Method Overriding | Write a program in Java to illustrate concept of method overriding. Explain Method Overloading | Write a program in Java to illustrate concept of method overloading. Explain the use of Constructor in Java with a suitable program example. | Default Constructor | Parameterized Constructor | Copy Constructor | Explain various types of Inheritance in Java with suitable example | Write a program in Java to illustrate the concept of Multilevel Inheritance | Single Level Inheritance | Multilevel Inheritance | Hierarchical Inheritance | Explain the concept of Dynamic Method Dispatch in Java |
📄2.) SECTION – B :
Explain interfaces in Java | Explain how to implement interface in Java | Implementing interface in Java – Declare an Interface | Implement an Interface | Override Method Implementation | Instantiate Object Of Implementing Class | Explain Interface in Java and how the implementation of multiple inheritance can be achieved using interface | Define Multiple interfaces | implement multiple interfaces | method implementation | Explain any 2 functions of string class | length() tolowercase() touppercase() | Explain any 2 functions of string buffer class | append() length()
📄3.) SECTION – C :
Explain how exceptions can handled in Java with suitable examples. Explain how Try Catch block handles exceptions. What are the types of exceptions and explain types of errors we get at runtime Exception handling using try catch and finally block | Try block | catch block | finally block Unchecked Exception | Checked Exception | compile time errors | syntax errors | runtime errors | logical errors | Explain applets with its features .explain different types of applets. Explain different stages of Applet life cycle with diagram| Local applet | remote applets |life cycle of applet | Stages of applets – initialization state (init() method) running state(start() method) | idle state(stop() method) | dead state (destroy () method) | display state | Explain Java thread model | explain various different techniques ways to create a thread in JAVA.| Creating threats using thread class | creating thread using runnable interface |
📄4.) SECTION – D :
Explain the concept of jdbc in Java with suitable examples. what is the use of jdbc and what is the purpose of jdbc driver in points . write the steps to Select ,insert ,update and delete record in database using jdbc.