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| 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.  | System.out.printf("float is %-20f!\n", 1.23456789) |  |  |  | 29.  | Use printf(): Two decimal digits |  |  |  | 30.  | Use printf(): group separators |  |  |  | 31.  | Use printf(): %10s %10s %10s |  |  |  | 32.  | Use printf(): align float numbers |  |  |  | 33.  | Default floating-point format: %f |  |  |  | 34.  | Floating-point with commas: %,f |  |  |  | 35.  | Negative floating-point default: %,f |  |  |  | 36.  | Negative floating-point option: %,(f |  |  |  | 37.  | Line up positive and negative values |  |  |  | 38.  | System.out.format("%f, %1$+020.10f %n", Math.PI) |  |  |  | 39.  | System.out.printf("%b %n %c %n %s %n %s %n %d %n",..) |  |  |  | 40.  | Basic Math with System.out.printf |  |   |  | 41.  | Display a file in hex. |  |  |   
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