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java 二进制换算

public class TenToTwo { public static String change(long DecNumber) { String BinNumber = ""; for (int i = 64; i >= 0; i--) { if (DecNumber / (long) (Math.pow(2, i)) == 1) { BinNumber = BinNumber + "1"; DecNumber = (long) (DecNumber - Math.pow(2, i)); } else { if (!BinNumber.equals("")) { ...

by java_mail - Java文档中心 - 2007-11-19 17:13:57 阅读(527) 回复(0)

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by TURRRRRBO - Java - 2009-09-25 13:10:03 阅读(3038) 回复(5)

FreeBSD获得java进制授权 原文参看 这里 java 1.5 JDK and JRE binaries for FreeBSD 5.4/i386 and 6.0/i386 will be available by April 5. Watch for an announcement soon from The FreeBSD Foundation. Thank you for your patience! The FreeBSD Foundation has negotiated a license with Sun Microsystems to distribute FreeBSD binaries for the java Runtime Environment (JRE)...

by k1000j1000 - BSD文档中心 - 2006-12-31 11:04:13 阅读(1034) 回复(0)

java进制,字节数组,字符,十六进制,BCD编码转换2007-06-07 00:17/** *//** * 把16进制字符串转换成字节数组 * @param hex * @return */ public static byte[] hexStringToByte(String hex) { int len = (hex.length() / 2); byte[] result = new byte[len]; char[] achar = hex.toCharArray(); for (int i = 0; i len; i++) { int pos = i * 2; result = (byte) (to...

by liuwanzhen - Java文档中心 - 2008-06-20 17:21:09 阅读(405) 回复(0)

/** * 把16进制字符串转换成字节数组 * @param hex * @return */ public static byte[] hexStringToByte(String hex) { int len = (hex.length() / 2); byte[] result = new byte[len]; char[] achar = hex.toCharArray(); for (int i = 0; i private static byte toByte(char c) { byte b = (byte) "0123456789ABCDEF".indexOf(c); return b; } /** * 把字节数组转换成16进制字符串...

by heavenflying - Java文档中心 - 2007-07-24 17:19:17 阅读(439) 回复(0)

进制,字节数组,字符,十六进制,BCD编码转换 /** * 把16进制字符串转换成字节数组 * @param hex * @return */ public static byte[] hexStringToByte(String hex) { int len = (hex.length() / 2); byte[] result = new byte[len]; char[] achar = hex.toCharArray(); for (int i = 0; i private static byte toByte(char c) { byte b = (byte) "0123456789ABCDEF".indexOf(c); return b; } /** * 把...

by hsm427 - Java文档中心 - 2007-02-28 00:33:27 阅读(668) 回复(0)

今天面试碰到一个问题 [code] 写一个方法 int Reverse(int value) { } 要求根据传入的参数反转其进制编码,返回int 如: 传入参数int的进制码 1010 1111 0110 1101 返回int的进制码为 1101 0110 1111 1010 注:传入传出均为int [/code] 我当时是用移位和求与来实现,感觉不是很好,想问问大家有没有什么高见,记得以前好像见过这个问题,不过找不到了。

by eudemon - Java - 2005-12-09 10:05:24 阅读(1014) 回复(1)

程序用java语言实现,数据库是SQL Server2000 ,建立了一个表,有一个字段 为blob字段,进制信息读入byte[] 数组(byte [] binStr) 我用"insert into tableName(blobCol) values(binStr)"出错 望高手指点 ,谢谢

by feel - Java - 2004-08-11 11:21:10 阅读(982) 回复(2)