Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Java 8 introduces a new concept of default method implementation in interfaces. This capability is added for backward compatibility so that old interfaces can be used to leverage the lambda expression capability of Java 8. For example, ‘List’ or ‘Collection’ interfaces do not have ‘foreach’ method declaration. Thus, adding such method will simply break the collection framework implementations. Java 8 introduces default method so that List/Collection interface can have a default implementation of foreach method, and the class implementing these interfaces need not implement the same. Syntax public interface vehicle { default void print() { ... Read More
As per my understanding, it is not feasible. You can access local class dynamically but statically referring to it in another class seems impossible. You might think about calling methods as dynamic in this case.
Any built-in data type converted into its string representation by str() function >>> str(10) '10' >>> str(11.11) '11.11' >>> str(3+4j) '(3+4j)' >>> str([1,2,3]) '[1, 2, 3]' >>> str((1,2,3)) '(1, 2, 3)' >>> str({1:11, 2:22, 3:33}) '{1: 11, 2: 22, 3: 33}' For a user defined class to be converted to string representation, __str__() function needs to be defined in it. >>> class rectangle: def __init__(self): self.l=10 self.b=10 def __str__(self): return 'length={} breadth={}'.format(self.l, self.b) >>> r1=rect() >>> str(r1) 'length = 10 breadth = 10'
You need to register at below link:https://www.sap.com/cmp/syb/crm-xu15-int-voratrdm/index.htmlThis will take you to the below page:
Constructors are similar to methods but, They do not have any return type. The name of the constructor is same as the name of the class. Every class has a constructor. If we do not explicitly write a constructor for a class, the Java compiler builds a default constructor for that class. Each time a new object is created, at least one constructor will be invoked. A class can have more than one constructor. this() and super() are used to call constructors explicitly. Where, using this() you can call the current class’s constructor and using super() you can ... Read More
The best possible solution to avoid this issue is by adding breakpoints to the best places. This issue is common with VBA and C# while debugging code includes COM libraries.
The full form of API is Application Programming Interface. It is a document which gives you the list of all the packages, classes, and interfaces, along with their fields and methods.Using these API’s, the programmer can know how to use the methods, fields, classes, interfaces provided by Java libraries.
No, you cannot have both this() and super() in a single constructor.
Built-in dictionary class has update() method which merges elements of argument dictionary object with calling dictionary object. >>> a = {1:'a', 2:'b', 3:'c'} >>> b = {'x':1,'y':2, 'z':3} >>> a.update(b) >>> a {1: 'a', 2: 'b', 3: 'c', 'x': 1, 'y': 2, 'z': 3} From Python 3.5 onwards, another syntax to merge two dictionaries is available >>> a = {1:'a', 2:'b', 3:'c'} >>> b = {'x':1,'y':2, 'z':3} >>> c = {**a, **b} >>> c {1: 'a', 2: 'b', 3: 'c', 'x': 1, 'y': 2, 'z': 3}
SAP System Authorization Concept deals with protecting the SAP system from running transactions and programs from unauthorized access. You shouldn’t allow users to execute transactions and programs in SAP system until they have defined authorization for this activity.To make your system more secure and to implement strong authorization, you need to review your authorization plan to make sure that it meets the security requirement of the company and there are no security violations.The Transaction Code: SU01 is used for user creation in a SAP system. In the following screen, you can see different User types in a SAP system under ... Read More