Qu.java

 import java.lang.*;

import java.io.*;

class Questions{

public String [][]qpa; public String[][]qca; 

Questions()throws IOException

{

qpa=new String[10][5];

/*questionsandobjectives*/

DataInputStream in=new DataInputStream(System.in);

qpa[0][0]="what is brain of computer?"; qpa[0][1]="1.cpu";

qpa[0][2]="2.memory"; qpa[0][3]="3.keyboard";qpa[0][4]="mouse";

qpa[1][0]="what is the basis unit of information in computing ?"; qpa[1][1]="1.byte.";

qpa[1][2]="2.bit."; qpa[1][3]="3.kilobyte.";

qpa[1][4]="4.mega byte.";

qpa[2][0]="which part of a computer stores data temporarily?"; qpa[2][1]="1.hard drive";

qpa[2][2]="2.ram";

qpa[2][3]="3.cpu";

qpa[2][4]="4.monitor";

qpa[3][0]="which computer component connects of the internet ?"; qpa[3][1]="1.mouse";

qpa[3][2]="2.keyboard";

qpa[3][3]="3.modem";

qpa[3][4]="speaker";

qca=new String[10][2];

/*questionsandcorrectanswers*/

qca[0][0]="what is the brain of a computer?";

 qca[0][1]="1.cpu";

qca[1][0]="what is the basic unit of information in computing?";

qca[1][1]="2.bit.";

qca[2][0]="which part of computer stores data temporarily ?"; 

qca[2][1]="2.ram";

qca[3][0]="which computet component connects to the internet?"; 

qca[3][1]="3.modem";

}

}

public class qu{

public static void main(String[]args)throws IOException{ 

DataInputStream in=new DataInputStream(System.in);

int x,correct=0,wrong=0,i,j; 

String ans[]=new String[10];

Questions q=new Questions(); System.out.println("JAVA QUIZ"); System.out.println(" ");

/*forlooptodisplayquestionandreadtheanswerfromtheuser*/

for(i=0;i<4;i++){

for(j=0;j<5;j++){

System.out.println(q.qpa[i][j]);

}

System.out.println("youranswer:");

 

x=Integer.parseInt(in.readLine()); ans[i]=q.qpa[i][x];

}

/*calculatecorrectanswers*/

for(i=0;i<4;i++){

if(q.qca[i][1].equals(ans[i]))correct++;

 else

wrong++;

}

 

/*printingthecorrectanswersanduserselectedanswers*/ 

System.out.println("CORRECT ANSWERS");

for(i=0;i<4;i++){

System.out.println(); System.out.println(q.qpa[i][0]); System.out.println("correctanswer:"+q.qca[i][1]); System.out.println("youranswer:"+ans[i]);

}

System.out.println("Correct="+correct+"\twrong="+wrong);

}

}

Out put

JAVA QUIZ

what is brain of computer?

1.cpu

2.memory

3.keyboard

mouse

youranswer:

1

what is the basis unit of information in computing ?

1.byte.

2.bit.

3.kilobyte.

4.mega byte.

youranswer:

2

which part of a computer stores data temporarily?

1.hard drive

2.ram

3.cpu

4.monitor

youranswer:

2

which computer component connects of the internet ?

1.mouse

2.keyboard

3.modem

speaker

youranswer:

3

CORRECT ANSWERS

what is brain of computer?

correctanswer:1.cpu

youranswer:1.cpu

what is the basis unit of information in computing ?

correctanswer:2.bit.

youranswer:2.bit.

which part of a computer stores data temporarily?

correctanswer:2.ram

youranswer:2.ram

which computer component connects of the internet ?

correctanswer:3.modem

youranswer:3.modem

Correct=4 wrong=0

=== Code Execution Successful ===