ptzrbin的专栏

1.byte16进制数转换10进制 byte[] b = new byte[]{(byte)Integer.parseInt("af", 16),(byte)Integer.parseInt("03", 16), (byte)Integer.parseInt("f2", 16),(byte)Integer.parseInt("03", 16)}; int s = 0;

package tool;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;public class CompareDate { /** * @param args */ public static void main(String[] ar

import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import j

所需jar包：http://download.youkuaiyun.com/detail/ptzrbin/4584687package com.jCuckoo.Excel;import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; i

import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;public class Test { /** * @param args */ public static void main(String[] args) { SimpleDateFormat

package j2se;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStream;public class TestIoWrite {