free class diagram tool

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Image upload processing Tool class

) {output.write (in); Inch=Input.read (); } input.close (); Output.close (); } Else { if(compresstype==1) {//135*90--90*135 if((float) (Old_w/old_h) //3:4 at this time for 90:135//if the original image is smaller than the diagram you want to compress, do not compress if(Old_w new_w2) {Width=Old_w; } Else{width=new_w2; } if(Old_h new_h2) {Height=Old_h; } Else{Hei

Java Operation Properties File tool class

Recently free time to tidy up a commonly used tools, repeating the wheel is a waste of time, if not correct or need to improve the place, welcome advice ... Packagecom.hsuchan.business.utils;ImportJava.io.File;ImportJava.io.FileOutputStream;Importjava.io.IOException;ImportJava.io.InputStream;ImportJava.net.URL;Importjava.util.Properties;ImportOrg.apache.log4j.Logger;/*** Java Properties File Operations Tool

Jdbcutils Tool Class

PackageCn.itcast.jdbc;Importjava.sql.Connection;ImportJava.sql.DriverManager;ImportJava.sql.ResultSet;Importjava.sql.SQLException;Importjava.sql.Statement; Public classJbdcutils { Public Static FinalString drivername = "Com.mysql.jdbc.Driver"; Public Static FinalString URL = "jdbc:mysql://localhost:3306"; Public Static FinalString USER = "root"; Public Static FinalString PASSWORD = "root"; //register driver, define static code block, implement class

PHP will manipulate the database, encapsulate it as a tool class, and learn to program in an object-oriented way.

)please use mysqli 's mysqi::multi_query () to add three user Songjianglu for one time$sqls ="insert INTO User1 (name,password,email,age) VALUES (' Song Jiang ', ' aaa ', ' [email protected] ', ';"; $sqls.="insert INTO User1 (name,password,email,age) VALUES (' Lu Junyi ', ' aaa ', ' [email protected] ', $);"; $sqls.="insert INTO User1 (name,password,email,age) VALUES (' Wu ', ' aaa ', ' [email protected] ', ', ');";//$sqls. = "UPDATE;";//$sqls. = "delete;";//DML and DQL$b= $mysqli->multi_query (

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