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Java Tutorial » Reflection » Method  
7.5.19.get Declared Method by name and parameter typePrevious/Next
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import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class MethodTroubleReturns {
  private void drinkMe(int liters) {
    if (liters < 0)
      throw new IllegalArgumentException(
          "I can't drink a negative amount of liquid");
  }

  public static void main(String... args) {
    try {
      MethodTroubleReturns mtr = new MethodTroubleReturns();
      Class<?> c = mtr.getClass();
      Method m = c.getDeclaredMethod("drinkMe"int.class);
      m.invoke(mtr, -1);

      // production code should handle these exceptions more gracefully
    catch (InvocationTargetException x) {
      Throwable cause = x.getCause();
      System.err.format("drinkMe() failed: %s%n", cause.getMessage());
    catch (Exception 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