#Java - Code Snippets for '#Class.forName' - 3 code snippet(s) found |
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Sample 1. Database Api using java.sql classes | |
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package BuggyBread;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DatabaseAPI {
// JDBC driver name and database URL
static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
static final String DB_URL = "";
// Database credentials
static final String USER = "";
static final String PASS = "";
Connection conn = null;
public void initializeConnection(){
try {
// STEP 2: Register JDBC driver
Class.forName("com.mysql.jdbc.Driver");
// STEP 3: Open a connection
System.out.println("Connecting to database...");
conn = DriverManager.getConnection(DB_URL, USER, PASS);
conn.close();
} catch (SQLException se) {
// Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
// Handle errors for Class.forName
e.printStackTrace();
} finally {
try {
if (conn != null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
}// end finally try
}// end try
}
}
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Like Feedback database api java.sql |
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Sample 2. Loading Class using Class.forName ( Reflection ) | |
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Class clazz = null;
try {
clazz = Class.forName("sun.awt.windows.WEmbeddedFrame");
} catch (Throwable e) {
}
Constructor constructor = null;
try {
constructor = clazz.getConstructor(new Class[] { Integer.TYPE });
} catch (Throwable localThrowable1) {
}
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Like Feedback Class.forName Reflection |
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Sample 3. Code Sample / Example / Snippet of java.util.EventListener | |
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private void readObject(ObjectInputStream s)
throws IOException, ClassNotFoundException {
listenerList = NULL_ARRAY;
s.defaultReadObject();
Object listenerTypeOrNull;
while (null != (listenerTypeOrNull = s.readObject())) {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
EventListener l = (EventListener)s.readObject();
String name = (String) listenerTypeOrNull;
ReflectUtil.checkPackageAccess(name);
add((Class<EventListener>)Class.forName(name, true, cl), l);
}
}
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