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Android 7 min read

Lesson 3: Building a Simple User Interface

In this lesson, you create a layout in XML that includes a text field and a button. In the next lesson, your app responds when the button is

Android 2 min read

Lesson 2: Running your App

In the previous lesson, you created an Android project that displays "Hello World." You can now run the app on a real device or on an

Android 2 min read

Lesson 1: Create an Android Project

This lesson shows you how to create a new Android project with Android Studio and describes some of the files in the project. In Android Studio, create a

Primary 1 min read

Quiz - Arrays in C Programming

This quiz is based on this Array - C Programming tutorial. So, To get better score on quiz, read the tutorial first. Poll Maker

Primary 1 min read

The do..... while loop in C++

The do.... while loop checks its condition at the bottom of the loop. A do.... while loop is similar to a while loop. The one difference is that

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The for loop in C++

A for loop is a repetition control structure that allows you to efficiently write a loop that executes a specific number of times. Syntax: for(init;condition;increment

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The while loop in C++

Loops: A loop repeatedly executes a set of statements until a particular condition is satisfied. A while loop statement repeatedly executes a target statement as long as a

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Nested if & if/else Statements in C++

Nested if statements: You can also include, or nest, if statements within another if statement. For example: int mark = 100; if (mark >= 50) { cout << "

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Relational operator of C++

Additional relational operators: Operator Description Example == Equal to 4==2 False <= Less than or equal to 4<=2 False >= Greater than or equal to 4&

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If else statement in C++

Else statement: An if statement can be followed by an optional else statement, which executes when the condition is false. Syntax: if(condition) { //statements } else { //statements } The compiler

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If Statement in C++

Decision Making: The if statement is used to execute some code if a condition is true. Syntax: if(condition) { //statements } The condition specifies which expression is to be

Primary 1 min read

Assignment Operators and Increment Operator of C++

Assignment Operator: The simple assignment operator (=) assigns the right side to left side. C++ provides shorthand operators that have the capability of performing an operation and an assignment

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Basic Arithmetic of C++

Arithmetic Operators: C++ supports these arithmetic operator. Operator Symbol Form Addition + x+y Subtraction - x-y Multiplication * x*y Division / x/y Modulus % x%y Addition: The addition

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How to take input by user in C++

User input: To enable the user to to input a value,use cin in combination with the extraction operator (>>). The variable containing the extracted data follows

Primary 3 min read

Basic programs of C++

Write a program in C++ to print a massage on output screen. #include<iostream> using namespace std; int main() { cout<<"Hello world"