WAP to input two numbers and write them together || Java Programs || Compilation and Execution

Write a program to input two numbers in java and write them together. A video specifically for class 9 and 10. Writing program on Notepad. How to execute a program on powershell/command prompt. Compilation and execution processes included. This video is a part of the playlist Program on Demand. Please share your doubt and I will try to make the difficult programs simpler for you. Hit like, comment and subscribe. Don't forget to share with your classmates.
How to download java in your pc with sample program.