System.out.printf("float is %-20f!\n", 1.23456789) : printf « Development Class « Java

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Java » Development Class » printf Screenshots  System.out.printf("float is %-20f!\n", 1.23456789)   import java.util.Locale; public class PrintfExamples {   public static void main(String[] args) {     // flags     System.out.printf("num is %d\n", 5000000);     System.out.printf("float is %f\n", 1.23456789);     System.out.printf("float is %.3f\n", 1.23456789);     System.out.printf("float is %.1f\n", 1.23456789);     System.out.printf("float is %.0f\n", 1.23456789);     System.out.printf("float is %-20f!\n", 1.23456789);   } } /*num is 5000000 float is 1.234568 float is 1.235 float is 1.2 float is 1 float is 1.234568    */        Related examples in the same category 1.  give a known Locale (with the right decimal separator) to bypass the current Locale 2.  Two decimal digits 3.  Group separators 4.  Align string output 5.  Align float numbers 6.  Display current time 7.  Use printf() to create a time stamp. 8.  Display short and long date and time formats. 9.  "%d %(d %+d %05d 10.  System.out.printf("a %1$s is a %1$s is a %1$s...", "AAA") 11.  System.out.printf( "%-10.10s %s\n", word, word.length() ) 12.  System.out.printf("num is %s\n", 5) 13.  System.out.printf("The DATE is %tz\n", new Date() ) 14.  System.out.printf("%1$s://%2$s/%3$s\n", "http", "host", "path") 15.  System.out.printf("num is %.2f\n", Math.PI ) 16.  System.out.printf("String is '%-5s'\n", "A") 17.  System.out.printf(Locale.CHINA, "The date is %tc\n", new Date()) 18.  System.out.printf("The DATE is %tr\n", new Date() ) 19.  System.out.printf("The DATE is %Tc\n", new Date() ) 20.  System.out.printf("%s://%s/%s\n", "http", "host", "path") 21.  System.out.printf("num is %03d\n", 5 ) 22.  System.out.printf("num is {%07.3f}\n", 3.14 ) 23.  System.out.printf("1.0 4f num is %4f\n", 1.0 ) 24.  System.out.printf("sci not num is %e\n", 3000000.0 ) 25.  System.out.printf("boolean value is %1$b, %1$B\n", true ) 26.  System.out.printf("hex value is %1$#x, %1$#X\n", 0xCAFE ) 27.  System.out.printf( Locale.ITALIAN, "value: %f\n", 3.14 ) 28.  Use printf(): Two decimal digits 29.  Use printf(): group separators 30.  Use printf(): %10s %10s %10s 31.  Use printf(): align float numbers 32.  Default floating-point format: %f 33.  Floating-point with commas: %,f 34.  Negative floating-point default: %,f 35.  Negative floating-point option: %,(f 36.  Line up positive and negative values 37.  System.out.format("%f, %1$+020.10f %n", Math.PI) 38.  System.out.printf("%b %n %c %n %s %n %s %n %d %n",..) 39.  Basic Math with System.out.printf 40.  Display a file in hex.