Computer Applications
Write a Java program that takes character as input and checks if it is uppercase or lowercase letter or a digit. Allows the user to enter repeatedly and counts each of the category. Program prints the count when the user stops entering the characters by providing a space as the character input.
Answer
import java.io.*;
public class KboatCharCaseCheck
{
public static void main(String args[]) throws IOException {
InputStreamReader read = new InputStreamReader(System.in);
BufferedReader in = new BufferedReader(read);
int uc = 0, lc = 0, dc = 0;
while (true) {
System.out.print("Enter character: ");
char ch = in.readLine().charAt(0);
if (ch == ' ') {
System.out.println("Upper Case Count = " + uc);
System.out.println("Lower Case Count = " + lc);
System.out.println("Digit Count = " + dc);
break;
}
if (Character.isUpperCase(ch)) {
System.out.println("Upper Case letter");
uc++;
}
else if (Character.isLowerCase(ch)) {
System.out.println("Lower Case Letter");
lc++;
}
else if (Character.isDigit(ch)) {
System.out.println("Digit");
dc++;
}
}
}
}Output
Related Questions
Assertion (A): Integer class can be used in the program without calling a package.
Reason (R): It belongs to the default package java.lang.
- Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A)
- Both Assertion (A) and Reason (R) are true and Reason (R) is not a correct explanation of Assertion(A)
- Assertion (A) is true and Reason (R) is false
- Assertion (A) is false and Reason (R) is true
Predict the output of the following code snippet:
char ch='B', char chr=Character.toLowerCase(ch); int n=(int)chr-10; System.out.println((char)n+"\t"+chr);