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Category: Technology

NFC Tags 101: A Beginner’s Guide to Automation
Technology

NFC Tags 101: A Beginner’s Guide to Automation

Posted on January 5, 2023January 5, 2023 by Urban Questions

What are NFC tags and how can they be used for automation? NFC stands for Near Field Communication, and NFC tags are small chips that can be embedded in various objects such as stickers, keychains, or even business cards. These…

Pen Tablet vs IPad. Which is the best?
Technology

Pen Tablet vs IPad. Which is the best?

Posted on May 12, 2022 by Urban Questions

Pen Tablet vs Ipad, Are you not sure which one to buy? Let’s compare both which is best for you. Based on the type of work or task you want to perform you can choose any two devices. Both Pen…

4 Steps: Add Dropdown list in excel
Technology

4 Steps: Add Dropdown list in excel

Posted on August 17, 2021September 28, 2021 by Urban Questions

Adding a dropdown list in excel, will increase the look and feel of your spreadsheet. And it forces the users to select the data from preset values and restricts the invalid data being entered. Let’s look at how to add…

Java 8: Streams filter() and map() Methods
Java 8

Java 8: Streams filter() and map() Methods

Posted on August 15, 2021September 28, 2021 by Urban Questions

filter() Method Stream filter(Predicate

Java 8: Introduction to Streams API
Java 8

Java 8: Introduction to Streams API

Posted on August 12, 2021September 28, 2021 by Urban Questions

Java 8 got a brand new API called streams. it makes every developer’s life easy. Stream APIs are used to process the group of data. mostly streams are applied on collection objects but we can use stream with any group…

Java 8: Consumer – Built-In Functional Interfaces
Java 8

Java 8: Consumer – Built-In Functional Interfaces

Posted on August 10, 2021September 28, 2021 by Urban Questions

Consumer Interface is another Built-In Functional Interface of java.util.function package of Java 8. The consumer interface consumes the object and doesn’t return any object. it has only one abstract method called accept(). Along with this, it has one more default…

Java 8: Supplier – Built-In Functional Interfaces
Java 8

Java 8: Supplier – Built-In Functional Interfaces

Posted on August 8, 2021January 17, 2022 by Urban Questions

Supplier Interface is another Built-In Functional Interface of java.util.function package of Java 8. Supplier Interface used for assignment purposes. It has only one abstract method and doesn’t have any default or static method. Below is the get() method signature. It…

Java 8: Predicate – Built-In Functional Interfaces
Java 8

Java 8: Predicate – Built-In Functional Interfaces

Posted on August 7, 2021September 28, 2021 by Urban Questions

Predicate Interface is another Built-In Functional Interface of java.util.function package of Java 8. Predicate Interface can be used to evaluate the expression which returns the boolean result like true or false of the given expression.  Example: Predicate logic = X…

Java 8: Built-In Functional Interfaces. Supplier, Function, Predicate
Java 8

Java 8: Built-In Functional Interfaces. Supplier, Function, Predicate

Posted on August 6, 2021September 28, 2021 by Urban Questions

Functional Interface was added in Java 8. Functional Interface is like a normal interface with only one abstract method. Remember, a Functional interface can have a default method but should have only one abstract method which is unimplemented. Also, @FunctionalInterface…

Java 8 – What is Lambda Expression? Why it is used for?
Java 8

Java 8 – What is Lambda Expression? Why it is used for?

Posted on August 3, 2021September 28, 2021 by Urban Questions

Lambda Expressions were added in Java 8. In Simple words,  We can think of lambda expression as a function without a name and with or without a parameter. public void MyFunction(int param1, int param2){ } The Above MyFunction() Method can…

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