Special characters
A character preceded by a backslash () is an escape sequence and has special meaning to the compiler. The following table shows the Java escape sequences. Note: Each escape sequence represents one character entity.
| Escape Sequence | Description |
|---|---|
| \t | Insert a tab in the text at this point. |
| \b | Insert a backspace in the text at this point. |
| \n | Insert a newline in the text at this point. |
| \r | Insert a carriage return in the text at this point. |
| \f | Insert a formfeed in the text at this point. |
| \' | Insert a single quote character in the text at this point. |
| \" | Insert a double quote character in the text at this point. |
| \ | Insert a backslash character in the text at this point. |
Write a Java program to print a box using asterisks.
********
* *
* *
* *
* *
********
What does the following line of code print?
System.out.printf("%s\n%s\n%s\n","@","@@","@@@");
Write a Java program to print the following columns of values. Use \t for the tabs between the columns.
Cost Quantity Total
$1,000.00 4 $4,000.00
$ 50.00 8 $400.00
______________________________
TOTAL: 12 $4,400.00
Write a Java program to print the escape sequences table below to the console.
\t Insert a tab in the text.
\n Insert a newline in the text.
\r Insert a carriage return.
\' Insert a single quote character.
\" Insert a double quote character.
\\ Insert a backslash character.