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Java Tutorial : Java Underscore Characters in numeric literals |
Java Tutorial : Java Underscore Characters in numeric literals |
public class UnderScoreDemo { public static void main(String[] args) { long creditCardNumber = 1234_5678_9012_3456L; System.out.println("creditCardNumber : " + creditCardNumber); long socialSecurityNumber = 999_99_9999L; System.out.println("socialSecurityNumber : " + socialSecurityNumber); float pi = 3.14_15F; System.out.println("pi : " + pi); long hexBytes = 0xFF_EC_DE_5E; System.out.println("hexBytes : " + hexBytes); long hexWords = 0xCAFE_BABE; System.out.println("hexWords : " + hexWords); long maxLong = 0x7fff_ffff_ffff_ffffL; System.out.println("maxLong : " + maxLong); byte nybbles = 0b0010_0101; System.out.println("nybbles : " + nybbles); long bytes = 0b11010010_01101001_10010100_10010010; System.out.println("bytes : " + bytes); } }
creditCardNumber : 1234567890123456 socialSecurityNumber : 999999999 pi : 3.1415 hexBytes : -1253794 hexWords : -889275714 maxLong : 9223372036854775807 nybbles : 37 bytes : -764832622
https://sites.google.com/site/javaee4321/java/VariableUnderScoreDemoApp.zip?attredirects=0&d=1
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