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¶þ.ÔÚjava.utilÕâ¸ö°üÀïÃæÌṩÁËÒ»¸öRandomµÄÀ࣬ÎÒÃÇ¿ÉÒÔн¨Ò»¸öRandomµÄ¶ÔÏóÀ´²úÉúËæ»úÊý£¬Ëû¿ÉÒÔ²úÉúËæ»úÕûÊý¡¢Ëæ»úfloat¡¢ ......
package cn.com.view.read;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
public class ReadExcel {
......
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
public class CipherTest {
public static void main(String[] args) {
try {
byte[] keydata = { (byte) 0x00, (byte) 0x01, (byte) 0x02,
(byte) 0x03, (byte) 0x04, (byte) 0x05, (byte) 0x06,
......
package homework01;
public class TestWhile {
public static double factorial(int n) //Çó½×³Ëº¯Êý
{
if(n==0) return 1;
else return n* factorial(n-1);
}
public static void main(String[] args) {
System.out.println(factorial(170));//test:ÄÜ´òÓ¡³öÀ´£ ......