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Java Program to print the first digit of a given number

Get input num and display the first digit of number num

Sample Input 1:


Sample Output 1:

The fisrt digit is :6

Program or Solution


Program Explanation

Instruction(s) inside the while block{} are executed repeatedly till expression (num>=10) is true.

Divide the number num by 10 untill it becomes lesser than 10.

once it is less than 10 print the num using system.out.println.

statement num = num/10 divides the num by 10 repeatedly untill it num is less than 10