Discovering Method Information

Class c = someObject.getClass();
											Method[] methods = c.getMethods();
											for (int i = 0; i < methods.length; i++) {
											String methodName = methods[i].getName();
											System.out.println("Name: " + methodName);
											String returnType =
											methods[i].getReturnType().getName();
											System.out.println("Return Type: " + returnType);
											Class[] paramTypes =
											methods[i].getParameterTypes();
											System.out.print("Parameter Types:");
											for (int k = 0; k < paramTypes.length; k ++) {
											String paramTypeStr = paramTypes[k].getName();
											System.out.print(" " + paramTypeStr);
											}
											System.out.println();
											}

You can get information about a class’s public methods by calling the getMethods() method on a Class object. This method returns an array of Method objects. Using the ...

Get Java™ Phrasebook now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial