Examples of java.lang.Class.newInstance()

java.lang.Class.newInstance()
Creates a new instance of the class represented by this Class object. The class is instantiated as if by a new expression with an empty argument list. The class is initialized if it has not already been initialized.
Note that this method propagates any exception thrown by the nullary constructor, including a checked exception. Use of this method effectively bypasses the compile-time exception checking that would otherwise be performed by the compiler. The {@link java.lang.reflect.Constructor#newInstance(java.lang.Object) Constructor.newInstance} method avoids this problem by wrappingany exception thrown by the constructor in a (checked) {@link java.lang.reflect.InvocationTargetException}. @return a newly allocated instance of the class represented by thisobject. @exception IllegalAccessException if the class or its nullary constructor is not accessible. @exception InstantiationException if this Class represents an abstract class, an interface, an array class, a primitive type, or void; or if the class has no nullary constructor; or if the instantiation fails for some other reason. @exception ExceptionInInitializerError if the initializationprovoked by this method fails. @exception SecurityException If a security manager, s, is present and any of the following conditions is met:
- invocation of {@link SecurityManager#checkMemberAccess s.checkMemberAccess(this, Member.PUBLIC)} denies creation of new instances of this class
- the caller's class loader is not the same as or an ancestor of the class loader for the current class and invocation of {@link SecurityManager#checkPackageAccess s.checkPackageAccess()} denies access to the package of this class

     throws InstantiationException
  {
   try
     {
     Class type = getClass().forName(conceptName);
     Object res = type.newInstance();
     ownedObjects.add(res);
     return res;
     }
    catch( Exception ex )
     {

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                    URL[] urls = new URL[1];
                    urls[0] = new URL(factoryJar);
                    ClassLoader loader = new URLClassLoader(urls,
                        BagFactory.class.getClassLoader());
                    Class c = Class.forName(factoryName, true, loader);
                    Object o = c.newInstance();
                    if (!(o instanceof BagFactory)) {
                        throw new RuntimeException("Provided factory " +
                            factoryName + " does not extend BagFactory!");
                    }
                    gSelf = (BagFactory)o;

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                    URL[] urls = new URL[1];
                    urls[0] = new URL(factoryJar);
                    ClassLoader loader = new URLClassLoader(urls,
                        TupleFactory.class.getClassLoader());
                    Class c = Class.forName(factoryName, true, loader);
                    Object o = c.newInstance();
                    if (!(o instanceof TupleFactory)) {
                        throw new RuntimeException("Provided factory " +
                            factoryName + " does not extend TupleFactory!");
                    }
                    gSelf = (TupleFactory)o;

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        SystemException sysEx = null;


        try {
            Class clazz = ORBClassLoader.loadClass(exClassName);
            if (message == null) {
                sysEx = (SystemException) clazz.newInstance();
            } else {
                Class[] types = { String.class };
                Constructor constructor = clazz.getConstructor(types);
                Object[] args = { message };
                sysEx = (SystemException)constructor.newInstance(args);

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public class JDBCSingleFactory extends JDBCFactory {


        protected Object processResult( ResultSet rs, String type, Parameter[] parameters )
                throws Throwable {
                Class clazz = Class.forName( type );
                DataBean db = (DataBean)clazz.newInstance();
                if( rs.next() ) 
                        db.populateFrom( rs );
                return db;
        }

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         *  @return Factory - new bean factory instance
         *  @exception Throwable if any error occured
         */
        public Factory instantiateFactory() throws Throwable {
                Class clazz = Class.forName(type);
                Factory factory = (Factory) clazz.newInstance();
                factory.setFactoryMapping( this );
                return factory;
        }


}

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                Class clazz = Class.forName( type );
                DataBean db = null;
                ArrayList store = new ArrayList();


                for( int i = 0; rs.next(); i++ ) {
                        db = (DataBean)clazz.newInstance();
                        db.populateFrom( rs );
                        store.add( db );
                }


                return store;

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                Class clazz = Class.forName( type );
                DataBean db = null;


                for( int i = 0; i < slide.getOffset() - 1; i++, total++ ) rs.next();
                for( int i = 0; rs.next() && ( i < slide.getSlideLength() ); i++, total++ ) {
                        db = (DataBean)clazz.newInstance();
                        db.populateFrom( rs );
                        store.add( i, db );
                }
                while( rs.next() ) total++;

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                Object[] values = null;


                clazz = Class.forName( type );  


                if( parameters == null ) {
                      result = clazz.newInstance();
                } else {
                      if( parameters!=null && parameters.length > 0 ) {
                              types = new Class[ parameters.length ];
                              values = new Object[ parameters.length ];
                              ParameterMapping mapping = null;

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                    URL[] urls = new URL[1];
                    urls[0] = new URL(factoryJar);
                    ClassLoader loader = new URLClassLoader(urls,
                        BagFactory.class.getClassLoader());
                    Class c = Class.forName(factoryName, true, loader);
                    Object o = c.newInstance();
                    if (!(o instanceof BagFactory)) {
                        throw new RuntimeException("Provided factory " +
                            factoryName + " does not extend BagFactory!");
                    }
                    gSelf = (BagFactory)o;

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