Java program to demonstrate switch case

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/* switch case demo
Example :
Input - 124
Output - One Two Four */
class SwitchCaseDemo{
public static void main(String args[]){
try{
int num = Integer.parseInt(args[0]);
int n = num; //used at last time check
int reverse=0,remainder;
while(num > 0){
remainder = num % 10;
reverse = reverse * 10 + remainder;
num = num / 10;
}
String result=""; //contains the actual output
while(reverse > 0){
remainder = reverse % 10;
reverse = reverse / 10;
switch(remainder){
case 0 :
result = result + "Zero ";
break;
case 1 :
result = result + "One ";
break;
case 2 :
result = result + "Two ";
break;
case 3 :
result = result + "Three ";
break;
case 4 :
result = result + "Four ";
break;
case 5 :
result = result + "Five ";
break;
case 6 :
result = result + "Six ";
break;
case 7 :
result = result + "Seven ";
break;
case 8 :
result = result + "Eight ";
break;
case 9 :
result = result + "Nine ";
break;
default:
result="";
}
}
System.out.println(result);
}catch(Exception e){
System.out.println("Invalid Number Format");
}
}
}

/* switch case demo Example : Input - 124 Output - One Two Four */ class SwitchCaseDemo{ public static void main(String args[]){ try{ int num = Integer.parseInt(args[0]); int n = num; //used at last time check int reverse=0,remainder; while(num > 0){ remainder = num % 10; reverse = reverse * 10 + remainder; num = num / 10; } String result=""; //contains the actual output while(reverse > 0){ remainder = reverse % 10; reverse = reverse / 10; switch(remainder){ case 0 : result = result + "Zero "; break; case 1 : result = result + "One "; break; case 2 : result = result + "Two "; break; case 3 : result = result + "Three "; break; case 4 : result = result + "Four "; break; case 5 : result = result + "Five "; break; case 6 : result = result + "Six "; break; case 7 : result = result + "Seven "; break; case 8 : result = result + "Eight "; break; case 9 : result = result + "Nine "; break; default: result=""; } } System.out.println(result); }catch(Exception e){ System.out.println("Invalid Number Format"); } } }