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object oriented programming quiz 1, Exercises of Object Oriented Programming

Sir Syed University of Engineering and Technology (SSUET)Object Oriented Programming

this document will help student and teacher to prepare quiz of object oriented programming

Typology: Exercises

2019/2020

Uploaded on 10/25/2020

mehwish-mehmood
mehwish-mehmood 🇵🇰

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Name: ____________________________________Roll#.________________________________
1. Identify the errors in section of code shown below [2 Marks]
public class Test {
public static void main(String[] args) {
int a = 3;
int b = 4;
int c = 20;
average = (a + b + c)/5.0;
System.out.println(average);}}
___________________________________________________________________________
2. Decide whether each statement below is TRUE or false. [1 Marks]
a. Java case-sensitive.
b. The purpose of substring is to search for whether a word is found in a sentence.
3. Take 10 elements of integer type in one dimensional array and find out their sum
[2 Marks]
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SIR SYED UNIVERSITY OF ENGINEERING & TECHNOLOGY
BIOINFORMATICS DEPARTMENT
FALL 2019
OBJECT OORIENTED PROGRAMMING (CS-224)
Quiz 1(A)
Semester: IV Batch: 2018
Max Time: 15 mins Max Marks: 05
Instructions:
Attempt all questions
pf3
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pf5

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Download object oriented programming quiz 1 and more Exercises Object Oriented Programming in PDF only on Docsity!

Name: ____________________________________Roll#.________________________________

  1. Identify the errors in section of code shown below [2 Marks] public class Test { public static void main(String[] args) { int a = 3; int b = 4; int c = 20; average = (a + b + c)/5.0; System.out.println(average);}}
  1. Decide whether each statement below is TRUE or false. [1 Marks] a. Java case-sensitive. b. The purpose of substring is to search for whether a word is found in a sentence.
  2. Take 10 elements of integer type in one dimensional array and find out their sum [2 Marks]

BIOINFORMATICS DEPARTMENT FALL 2019 OBJECT OORIENTED PROGRAMMING (CS-224) Quiz 1(A) Semester: IV Batch: 2018 Max Time: 15 mins Max Marks: 05 Instructions:  Attempt all questions

Name: ____________________________________Roll#._______________________________ _

  1. What is the difference between print and println? [2Marks]
  2. Identify the errors in section of code shown below [1 Mark] public class Test { public static void main(String[] args) { Scanner console = new Scanner(System.in); int n = console.nextInt(); } } _________________________________________________________________________
  3. Take 10 elements of integer type in one dimensional array and find out their average.[2 Mark] 
    **BIOINFORMATICS DEPARTMENT** **FALL 2019

OBJECT OORIENTED PROGRAMMING (CS-224) Quiz 1(B)** Semester: IV Batch: 2018 Max Time: 15 mins Max Marks: 05 Instructions:  Attempt all questions

Name: ____________________________________Roll#.________________________________

  1. What is the purpose of charAt() method? [2 Marks]
  2. Identify the errors in section of code shown below. [1 Marks] public class Test { public static void main(Strings[] args) { Scanner console = new Scanner(System.in); n = console.nexFloatt(); } }
  1. Write a java program to find left diagonal sum of the matrix.[2 Marks]

_ BIOINFORMATICS DEPARTMENT FALL 2019 OBJECT OORIENTED PROGRAMMING (CS-224) Quiz 1(D) Semester: IV Batch: 2018 Max Time: 15 mins Max Marks: 05 Instructions:  Attempt all questions

Name: ____________________________________ Enrolment#.________________________________

  1. How a constant is defined in java? [2 Marks]
  2. If you run the code below, what gets printed out? [1 Marks]

String s=new String("Bicycle");

int iBegin=1;

int iEnd=3;

System.out.println(s.substring(iBegin,iEnd));

____________________________________________________________

  1. Write a Java program to test the equality of two arrays. [1 Marks] 
    **BIOINFORMATICS DEPARTMENT** **FALL 2019

OBJECT OORIENTED PROGRAMMING (CS-224) Quiz 1(E)** Semester: IV Batch: 2018 Max Time: 15 mins Max Marks: 05 Instructions:  Attempt all questions

Name: ____________________________________Roll#.________________________________

  1. What is the argument type of program’s main( ) method? [2 Mark]
  2. Which type cast must be used to convert a larger value into a smaller one?(Implicit/Explicit) [ Mark] ___________________________________________________________________________
  3. Add code to the program so that it reads the user's first and last name (read an entire line as a single string), then prints the last name followed by a comma and the first initial. (Assume that the user types a valid name.) [2 Mark] Example: Type your name: Jessica Miller Your name is: Miller, J. 
    **BIOINFORMATICS DEPARTMENT** **FALL 2019

OBJECT OORIENTED PROGRAMMING (CS-224) Quiz 1(F)** Semester: IV Batch: 2018 Max Time: 15 mins Max Marks: 05 Instructions:  Attempt all questions