The syntax is like the str.format syntax in Python. This: fn main() { println!( “{0: <10} | {1: <10} | {2: <10} | {3: <10}”, “total”, “blanks”, “comments”, “code” ); println!(“{0: <10} | {1: <10} | {2: <10} | {3: <10}”, 0, 0, 0, 0); println!(“{0: <10} | {1: <10} | {2: <10} | {3: … Read more
This is how you need to write it: scala> def prod(m: Int) = { | for { | a <- 2 to m / (2 * 3) | _ = print(a + ” “) | b <- (a + 1) to (m / a) | c = a * b | if c < m … Read more
You can do it with 1 printf: System.out.printf(“First Name: %s\nLast Name: %s”,firstname, lastname);
Xcode 7.1+ Since Xcode 7.1 beta 2, we can now use quotations within string literals. From the release notes: Expressions interpolated in strings may now contain string literals. For example, “My name is (attributes[“name”]!)” is now a valid expression. (14050788) Xcode <7.1 I don’t think you can do it that way. From the docs The … Read more
ok, is solved. file -> invalidated caches / Restart
Predef.println is shortcut for Console.println and you can use Console.setOut or Console.withOut for redirecting. Also, Console.setOut only affects the current thread while System.setOut affects the whole JVM. Additionally Scala 2.9 repl evaluates each line in its own thread, so Console.setOut is not usable there. scala> val baos = new java.io.ByteArrayOutputStream baos: java.io.ByteArrayOutputStream = scala> Console.withOut(baos)(print(“hello”)) … Read more
String newLine = System.getProperty(“line.separator”);//This will retrieve line separator dependent on OS. System.out.println(“line 1” + newLine + “line2”);
In Java System.out.println() will print to the standard out of the system you are using. On the other hand, System.err.println() will print to the standard error. If you are using a simple Java console application, both outputs will be the same (the command line or console) but you can reconfigure the streams so that for … Read more
It’s trickier than it would seem at first glance. Other answers mention the print! macro but it’s not quite that simple. You’ll likely need to flush stdout, as it may not be written to the screen immediately. flush() is a trait that is part of std::io::Write so that needs to be in scope for it … Read more
Generally, no, it doesn’t. The reason of that behavior is that Lombok is an annotation processor for javac but when the kotlin compiler runs it uses javac as well but with no annotation processing so this is why kotlin don’t see declarations that wasn’t yet generated. The only workaround for now is to define strict … Read more