Java Questions Exercise on Lesson 13

What is the ASCII code for ‘A’?

What is the ASCII code for ‘Z’?

What is the ASCII code for ‘a’?

What is the ASCII code for ‘z’?
How many letters are in the English alphabet?

What is the ASCII code for the character ‘0’ (this is the number 0 and not the letter O)?

What is the ASCII code for the character ‘9’?

What does the following code do? char c;
for (int j = 97; j =65) ) ch = (char)(ch + 32);
System. out. print(ch);

}

Write code that will convert char a into a String.

Write code that will convert String p into a character. (p consists of just one letter.)
12. Is this legal?
char ch = ‘V’;
String sd = ch;

13-5
13. Is this legal?
char ch = ‘V’;
char x = (char)(ch + 56);
14. Is this legal?
char aa = “X”;

char k = ‘B’;
System. out. println(k + 3); //What’s printed?

char k = ‘B’;
System. out. println( (char)(k + 3) ); //What’s printed?
Write code that will insure that an uppercase version of char boy is stored in char cv.

Write code that will insure that a lowercase version of char boy is stored in char cv.

If you have a character called bv, what could you do to determine if it’s a digit?

If you have a character called bv, what could you do to determine if it’s a letter?

If you have a character called bv, what could you do to determine if it’s an uppercase character?

If you have a character called bv, what could you do to determine if it’s either a letter or a digit?

If you have a character called bv, what could you do to determine if it’s a lowercase character?
24. Describe what the following code does. for(int j = 0; j <= 127; j++)
{

char ch = (char)j;
if (Character. isWhitespace(ch) ) System. out. println(j);
}