What's the problem with cases ?

Question

package main;

import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner X = new Scanner(System.in);

char input;

System.out.print(" Enter Any Character : ");
input = X.next().charAt(0);

switch (input) {
case 'm' || 'M' :
System.out.println("Male ");
case 'f' || 'F':
System.out.println("Female");
default :
System.out.println("Enter a Valid character");
}
}
}
https://code.sololearn.com/WB04hna20SyY/?ref=app
https://www.sololearn.com/discuss/3193143/?ref=app

Answer 1

Switch's cases are not boolean compatible operands. You can't use logical operators to test them.

Chained cases are written in sequence, with colon after each case

case 'F' : case 'f' :
// code here
break;

Don't forget to set a case's block end by issuing `break` before defining other cases, except for the last label. If you don't put `break` in, you may find that the cases after may be executed unintentionally.

Next time, please don't attach other people's code or post, they're irrelevant to your question.