python

## Python program to convert a binary to decimal

Python program to convert a binary value to decimal. Learn 4 different ways to convert binary to decimal. The program will take the binary value as input from the user and print the decimal output.

java

## Java program to check if a number is a spy number or not

Java program to check if a number is spy number or not. We will learn two different ways to get a number as input from the user and check if it is a spy number.

java

## 3 different Java programs to print Pascal's triangle for a given height

Learn to print Pascal's triangle in three different ways in Java. The programs will take the height of the triangle as input and print the Pascal's triangle.

java

## Java program to print a cross star pattern

Java program to print a cross star pattern using star or any other character. The program will take the height as input and it will print the cross star pattern.

java

## Java.util.Arrays.copyOf() method explanation with example

Java util.Arrays.copyOf() method is used to copy an array. This post will show you how to use copyOf() with examples.

C++

## How to access an element of a vector using index in C++

C++ program to access an element of a vector using index. We will use [] operator and the at() method. Learn what are the differences between [] and at().

java

## How to subtract two numbers in Python

Learn how to subtract one number from another number in Python. This post will show you how to use the subtraction operator with examples.

java

## Java program to check if a number is Nelson number or not

Java program to check if a number is Nelson number or not. This program will take one number as input and find out if that number is a Nelson number.

python

## Python program to check if a set contains an element or not

Python program to check if a set contains an element or not. We can use in or not in to check if an item is in a set or not in Python. This post will show you how to do that with examples.