Computer Applications
Write a Java program to accept a character and print all the characters following it in the reverse order(till a).
Sample input:
If the character entered is d.
Sample output:
d
c
b
a
Answer
import java.util.Scanner;
public class KboatReverse
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter a letter: ");
char ch = in.next().charAt(0);
if (Character.isLetter(ch)) {
ch = Character.toLowerCase(ch);
for (char x = ch; x >= 'a'; x--) {
System.out.println(x);
}
}
else {
System.out.println("Invalid input");
}
}
}Output
Related Questions
A student is trying to convert the string present in x to a numerical value, so that he can find the square root of the converted value. However the code has an error. Name the error (syntax / logical / runtime). Correct the code so that it compiles and runs correctly.
String x= "25"; int y=Double.parseDouble(x); double r=Math.sqrt(y); System.out.println(r);What is the method to check whether a character is a letter or digit?
- isDigit(char)
- isLetterOrDigit()
- isLetterOrDigit(char)
- isLETTERorDIGIT(char)
State the data type and value of res after the following is executed:
char ch = '9'; res= Character.isDigit(ch);The method to convert a String to double is:
- String.toDouble()
- Double.Parsedouble()
- Double.parseDouble(String)
- Double.parseDouble()