Formatted Output

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Tutorial: Formatted Output

Java 5 implements formatted output with printf().

Tutorial Details:

Java 5 implements formatted output with printf(). This concept will be very familiar to C and Fortran programmers. A good introduction to it can be found in the following article by John Zukowski.

Some simple examples
format(). Amazingly, there was no built-in way to right justify numbers in Java until Java 5. You had to use if or while to build the padding yoursefl. Java 5 now provides the format() method (and in some cases also the equivalent printf() method from C)..

The format() method's first parameter is a string that specifies how to convert a number. For integers you would typically use a "%" followed by the number of columns you want the integer to be right justified in, followed by a decimal conversion specifier "d". The second parameter would be the number you want to convert.

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