Answered: Given a line of text as input, output…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

THIS IS IN JAVA

Question:

Given a line of text as input, output the number of characters excluding spaces, periods, exclamation points, or commas.

Ex: If the input is:

Listen, Mr. Jones, calm down.

the output is:

Note: Account for all characters that aren't spaces, periods, exclamation points, or commas (Ex: "r", "2", "?").

My incorrect code:

import java.util.Scanner;

public class LabProgram {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
String userText;
int counter = 0;

userText = scnr.nextLine();

for (int i = 0; i < userText.length(); i++) {
if (userText.charAt(i) != ' ' && userText.charAt(i)!= '.' && userText.charAt(i) != ',') {
counter++;
}
}
System.out.println(counter);
}
}

example/hint i'm given to compare to my code as to why i'm getting it wrong:

Output differs. See highlights below.

Input: Howdy!

Your output: 6

Expected output: 5

Output differs. See hightlights below

Input: abcd,,,,efgh....ijkl !!!!

Your output: 16

Expected output: 12

Please show code, im not sure what im doing wrong!

4.21 LAB: Count input length without spaces, periods, exclamation
points, or commas
Given a line of text as input, output the number of characters excluding spaces, periods, exclamation points, or commas.
Ex: If the input is:
Listen, Mr. Jones, calm down.
the output is:
21
Note: Account for all characters that aren't spaces, periods, exclamation points, or commas (Ex: "r", "2", "?").
373032.2486142.qx3zgy7
LAB
4.21.1: LAB: Count input length without spaces, periods, exclamation points, or commas
6/ 10
АCTIVITY
LabProgram.java
Load default template...
3 public class LabProgram {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
String userText;
int counter = 0;
4
5
6
7
userText = scnr.nextLine();
10
for (int i = e; i < userText.length(); i++) {
if (userText.charAt (i) != '' && userText.charAt(i)!='.' && userText.charAt (i) != ',') {
11
12
13
counter++;
14
}
System.out.println(counter);
}
15
16
17
18 }
19

1: Compare output a
2/2
Input
Listen, Mr. Jones, calm down.
Your output
21
2: Compare output a
0/2
Output differs. See highlights below.
Input
Howdy!
Your output
Expected output
3: Compare output a
2/2
Input
Why?
Your output
4
4: Compare output a
0/2
Output differs. See highlights below.
Input
abcd, ,,, efgh....ijkl
!!!!
Your output
16
Expected output
12
5: Compare output a
2/2
Input

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