System.out.printf vs System.out.format

java format printf
Rollerball picture Rollerball · Apr 26, 2013 · Viewed 20.1k times · Source

Are System.out.printf and System.out.format totally the same or perhaps they differ in somehow?

Answer

NilsH picture NilsH · Apr 26, 2013

System.out is a PrintStream, and quoting the javadoc for PrintStream.printf

An invocation of this method of the form out.printf(l, format, args) behaves in exactly the same way as the invocation out.format(l, format, args)

Related questions

How to use java.String.format in Scala?

I am trying to use a .format method of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is thrown pointing to a confusing Java source code piece: private void checkText(String s) { int idx; // If …

Read More
How to nicely format floating numbers to String without unnecessary decimal 0?

An 64-bit double can represent integer +/- 253 exactly Given this fact I choose to use a double type as a single type for all my types, since my largest integer is unsigned 32-bit. But now I have to print these …

Read More
What is this date format? 2011-08-12T20:17:46.384Z

I have the following date: 2011-08-12T20:17:46.384Z. What format is this? I'm trying to parse it with Java 1.4 via DateFormat.getDateInstance().parse(dateStr) and I'm getting java.text.ParseException: Unparseable date: "2011-08-12T20:17:46.384Z" I think I …

Read More