integer value read from System.in is not the value typed

Question

I am a newbie to Java, and as an exercise wanted to WAP a simple program to print required no. of \'*\' characters according to the user. But somehow, the output of this cod

Answer 1

There are two mistakes in your code.

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First

System.in.read()

Is reading a byte, not a integer, so, it is parsing the integer and getting the first byte of it.

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Second

for (i = 0; i <= n; i++) {

will print always one star more than requested. So, it should be changed to

for (i = 0; i < n; i++) {

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Suggestion: You could use Scanner to read your integer, for example

Scanner scanner = new Scanner(System.in);
no_stars = scanner.nextInt();