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package com.yzy.jdbc.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import oracle.jdbc.OracleTypes;
public class LoginDao {
public boolean loginValidate(String username, Stri ......
javaËÄÉáÎåÈë
package Test;
import java.math.BigDecimal; //ÒýÈëÕâ¸ö°ü
public class Test {
public static void main(String[] args) {
double i = 3.856;
// ÉáµôСÊýÈ¡Õû
System.out.println("ÉáµôСÊýÈ¡Õû:Math.floor(3.856)=" + (int) Math.floor(i));
......