BSc IT Sem IV 2022 2023 March 2023 I T CORE JAVA Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt any Three of the following
   • a) Explain simple java program structure
   • b) What is variable? How it is declared and initialized?
   • c) Write a short note on Java Virtual Machine (JVM) and its components
   • d) Explain different operators in java
   • e) Explain different features of Java
   • f) Explain Keywords and Identifiers in java
2. Q2 Attempt any Three of the following
   • a) Explain constructor overloading with an example
   • b) Explain in brief 1. break statement 2. continue statement
   • c) Explain method overloading and its two ways to overload method
   • d) Explain if-else-if ladder with an example
   • e) How to declared constants in java. Explain with suitable example
   • f) Write short note on variable arguments (varargs) in java
3. Q2 Attempt any Three of the following
   • a) How an interface is different from an abstract ciass?
   • b) How multiple inheritance is implemented in java?
   • c) Explain different steps to create user defined package with an example
   • d) Explain hierarchical inheritance with an example
   • e) Explain how to achieve data abstraction using abstract class
   • f) Explain ‘this’ keyword and different usage of ‘this’ keyword
4. Q4 Attempt any Three of the following
   • a) Write short note on FileInputStream class
   • b) Explain different thread control methods in java
   • c) Explain multidimensional array with an example Explain keywords: 1)try 4) throws 5) finally
   • e) vectors and enlist any five methods of it
   • f) Explain FileWriter class with suitable example
   • O. 5. Attempt any Three of the following
   • a) Explain event delegation model and its advantage Explain constructors and methods of event classes : 1)ActionEvent
   • d) Explain FlowLayout and GridLayout manager wit! suitable example
   • e) Explain the use of adapter classes with any one example
   • f) Explain MouseListener interface with an example

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