An ordinateur is a string that conforms to the following format: Write Java code
ID: 3536452 • Letter: A
Question
An ordinateur is a string that conforms to the following format:
Write Java code that will obtain a string from the user and then test to see if it is a valid hashboite producing appropriate output to the user in either case.
For example the following two strings would be valid ordinateur X8.3#:Z.X 12dW.E.R#ui.Y1
For example the following two strings would be invalid ordinateur X8.3#:.Z.X. 123WER#uiY1
Ensure that you write appropriate methods as part of your solution which utilise appropriate parameter passing.
Make sure that you use appropriate user prompts and labels for all output to the screen.
Explanation / Answer
Fully executable code by me
import java.util.*;
class Mukesh
{
public static boolean isordinateur(String str)
{
int dotcount=0;
int numcount=0;
int j=0;
boolean value=false;
String a=str.substring(0,1);
String b=str.substring(str.length()-1, str.length());
if(a.equals(b))
{
value=true;
}
else
{
return false;
}
for(int i=0;i<str.length();i++)
{
if(str.substring(i,i+1).equals("."))
{
dotcount++;
}
if((str.substring(i,i+1).equals("0"))||
(str.substring(i,i+1).equals("1"))||
(str.substring(i,i+1).equals("2"))||
(str.substring(i,i+1).equals("3"))||
(str.substring(i,i+1).equals("4"))||
(str.substring(i,i+1).equals("5"))||
(str.substring(i,i+1).equals("6"))||
(str.substring(i,i+1).equals("7"))||
(str.substring(i,i+1).equals("8"))||
(str.substring(i,i+1).equals("9"))
)
{
numcount++;
}
if((dotcount==1)&&(i>=1)&&(j==0))
{
if((str.substring(i-1,i).equals("q"))||
(str.substring(i-1,i).equals("w"))||
(str.substring(i-1,i).equals("e"))||
(str.substring(i-1,i).equals("r"))||
(str.substring(i-1,i).equals("t"))||
(str.substring(i-1,i).equals("y"))||
(str.substring(i-1,i).equals("u"))||
(str.substring(i-1,i).equals("i"))||
(str.substring(i-1,i).equals("o"))||
(str.substring(i-1,i).equals("p"))||
(str.substring(i-1,i).equals("a"))||
(str.substring(i-1,i).equals("s"))||
(str.substring(i-1,i).equals("d"))||
(str.substring(i-1,i).equals("f"))||
(str.substring(i-1,i).equals("g"))||
(str.substring(i-1,i).equals("h"))||
(str.substring(i-1,i).equals("j"))||
(str.substring(i-1,i).equals("k"))||
(str.substring(i-1,i).equals("l"))||
(str.substring(i-1,i).equals("z"))||
(str.substring(i-1,i).equals("x"))||
(str.substring(i-1,i).equals("c"))||
(str.substring(i-1,i).equals("v"))||
(str.substring(i-1,i).equals("b"))||
(str.substring(i-1,i).equals("n"))||
(str.substring(i-1,i).equals("n"))||
(str.substring(i-1,i).equals("m"))||
(str.substring(i-1,i).equals("1"))||
(str.substring(i-1,i).equals("0"))||
(str.substring(i-1,i).equals("1"))||
(str.substring(i-1,i).equals("2"))||
(str.substring(i-1,i).equals("3"))||
(str.substring(i-1,i).equals("4"))||
(str.substring(i-1,i).equals("5"))||
(str.substring(i-1,i).equals("6"))||
(str.substring(i-1,i).equals("7"))||
(str.substring(i-1,i).equals("8"))||
(str.substring(i-1,i).equals("9"))||
(str.substring(i-1,i).equals("Q"))||
(str.substring(i-1,i).equals("W"))||
(str.substring(i-1,i).equals("E"))||
(str.substring(i-1,i).equals("R"))||
(str.substring(i-1,i).equals("T"))||
(str.substring(i-1,i).equals("Y"))||
(str.substring(i-1,i).equals("U"))||
(str.substring(i-1,i).equals("I"))||
(str.substring(i-1,i).equals("O"))||
(str.substring(i-1,i).equals("P"))||
(str.substring(i-1,i).equals("A"))||
(str.substring(i-1,i).equals("S"))||
(str.substring(i-1,i).equals("D"))||
(str.substring(i-1,i).equals("F"))||
(str.substring(i-1,i).equals("G"))||
(str.substring(i-1,i).equals("H"))||
(str.substring(i-1,i).equals("J"))||
(str.substring(i-1,i).equals("K"))||
(str.substring(i-1,i).equals("L"))||
(str.substring(i-1,i).equals("M"))||
(str.substring(i-1,i).equals("N"))||
(str.substring(i-1,i).equals("B"))||
(str.substring(i-1,i).equals("V"))||
(str.substring(i-1,i).equals("C"))||
(str.substring(i-1,i).equals("X"))||
(str.substring(i-1,i).equals("Z"))
)
{
value=true;
j++;
}
else
{
return false;
}
}
}
if(numcount>4)
{
return false;
}
if((dotcount>=1)&&(dotcount<=3))
{
value=true;
}
else
{
return false;
}
return value;
}
public static void main(String args[])
{
Scanner s=new Scanner(System.in);
while(true)
{
System.out.println("Enter the string:");
String str=s.next();
if(isordinateur(str))
{
System.out.println("Yes, it is ordinateur.");
}
else
{
System.out.println("No, it is ordinateur.");
}
}
}
}
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