Get method from a class by name : Method « Reflection « Java Tutorial






  1. Java Tutorial
  2. Reflection
  3. Method
/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.lang.reflect.Method;

public class ClassWarning {
  void m() {
    try {
      Class c = ClassWarning.class;
      Method m = c.getMethod("m"); // warning

      // production code should handle this exception more gracefully
    } catch (NoSuchMethodException x) {
      x.printStackTrace();
    }
  }
}








7.5.Method
7.5.1.List methods of a class using Reflection
7.5.2.Design your own class loader
7.5.3.Get method my parameters
7.5.4.Show public methods.
7.5.5.Method Inspector
7.5.6.Invoke methods of an object using reflection
7.5.7.Call a member function to get the value
7.5.8.Prints out the declared methods on java.lang.Number
7.5.9.Demonstrates how to get simple method information
7.5.10.Prints out the declared methods on java.lang.Object
7.5.11.Demonstrates how to get specific method information
7.5.12.Get the current method name
7.5.13.Get the current method name With JDK1.5
7.5.14.Get method from a class by name
7.5.15.Get super class and all its declared methods
7.5.16.Invoke a method with parameter
7.5.17.Call a class method with 2 arguments
7.5.18.Call all possible exceptions during method invocation with reflection
7.5.19.get Declared Method by name and parameter type
7.5.20.Getting the Methods of a Class Object: By obtaining a list of all declared methods
7.5.21.Getting the Methods of a Class Object: By obtaining a list of all public methods, both declared and inherited.
7.5.22.Getting the Methods of a Class Object: By obtaining a particular Method object.
7.5.23.Invoke method with wrong parameters
7.5.24.Checks whether the specified class contains a method matching the specified name.
7.5.25.Find method
7.5.26.Returns method with the specified name
7.5.27.Sorts methods according to their name, number of parameters, and parameter types.
7.5.28.Contains Same Method Signature