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Help with Switch

sumaraghavi ragha
Ranch Hand

Joined: Nov 17, 2006
Posts: 118
Hear is my question for simple switch statement
class MissingBreak
public static void main(String[] args)
int i =0;
switch (i)
case 0:
System.out.println("i is 0");
case 1:
System.out.println("i is 1");
I declared the i value as 0 then only the case with 0 should execute then why case 1 is executing?
I read in the book that break is optional?
Please tell me how the flow is going?

Thanks in advance
Marco Ehrentreich
best scout

Joined: Mar 07, 2007
Posts: 1294

Hi sumaraghavi,

indeed the break statement for each case is optional but without a break; execution just falls through all other cases. So if you want only the statements for case '0' to be executed you'll have to insert a break at the end of case '0'

Schevus Osborne

Joined: Jan 21, 2008
Posts: 7
Break is optional, but if a case statement does not have a break the flow will continue on to the next case statement.

- Schev
sumaraghavi ragha
Ranch Hand

Joined: Nov 17, 2006
Posts: 118
Thanks lot!!

I got it now

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subject: Help with Switch
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