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guys i've already solved a frament of my problem.

regarding with whitespaces (blank spaces) ,,

the only thing is the
"" empty string... its not null right? because im declaring double qoute...

whaa!!! getting confuse here... exceptions are what? bad practice? so my my logic is right? i want to remove the exception by adjusting the logic of that code?








i just want to input...

public class Sample {

private static Scanner sc = new Scanner(System.in);

public static void main(String[] args) {

String str;

System.out.print("Enter: ");...