Que.program

 import java.lang.*;

import java.io.*;

class Questions{

public String [][]qpa; 

public String[][]qca; 

Questions()throws IOException

{

qpa=new String[10][5];

DataInputStream in=new DataInputStream(System.in);

qpa[0][0]="How to run Javaprogram on the command prompt?"; 

qpa[0][1]="1.javac JavaProgram";

qpa[0][2]="2.java JavaProgram"; 

qpa[0][3]="3.javac JavaProgram.java";

qpa[0][4]="4.No one";

qpa[1][0]="What is the use of the println method?"; 

qpa[1][1]="1.It is used to print text on the screen.";

qpa[1][2]="2.It is used to print text on the screen with the linebreak."; 

qpa[1][3]="3.It is used to read text from keyboard.";

qpa[1][4]="4.It is used to read text from a file.";

qpa[2][0]="How to read a character from the keyboard?"; 

qpa[2][1]="1.char c=System.read()";

qpa[2][2]="2.charc=System.in.read()";

qpa[2][3]="3.charc=(char)System.read()";

qpa[2][4]="4.char c=(char)System.in.read()";

qpa[3][0]="Which one is a single-linecomment?"; 

qpa[3][1]="1./...";

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

qpa[3][3]="3./*...";

qpa[3][4]="4./.../";

qpa[4][0]="Which scanner class method is used to read integer value from the user ?";

qpa[4][1]="1.next()";

qpa[4][2]="2.nextInteger()";

qpa[4][3]="3.nextInt()";

qpa[4][4]="4.readInt()";

qpa[5][0]="Which scanner class method isused to read string value from the user ?";

qpa[5][1]="1.next()";

qpa[5][2]="2.nextString()";

qpa[5][3]="3.nextline()";

qpa[5][4]="4.Both 1 and 3";

qca=new String[10][2];

qca[0][0]="How to run Javaprogram on the commandprompt?"; 

qca[0][1]="2.java JavaProgram";

qca[1][0]="What is the use of the println method ?";

qca[1][1]="2.It is used to print text on the screen with the linebreak.";

qca[2][0]="How to read a character from the keyboard?"; 

qca[2][1]="4.char c=(char)System.in.read()";

qca[3][0]="Which one is a single-linecomment?"; 

qca[3][1]="2.//...";

qca[4][0]="Which scanner class method is used to read integer value from the user ?";

qca[4][1]="3.nextInt()";

qca[5][0]="Which scanner class method isused to read string value from the user ?";

qca[5][1]="4.Both 1 and 3";

}

}

public class quim{

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(" ");

for(i=0;i<6;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];

}

for(i=0;i<6;i++)

{

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

 else

wrong++;

}

 

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

for(i=0;i<6;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);

}

}