How to repeatedly prompt the user until correct input is given - JAVA

Question

i need to re-prompt the user everytime they input the wrong information. how do i do this? please help.
https://code.sololearn.com/cSr9FMtv0u00/?ref=app
https://code.sololearn.com/cSr9FMtv0u00/?ref=app

Answer 1

while(input!= desiredInput){
//ask for a input..
}