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Hasitha Randika
Ranch Hand

Joined: Sep 04, 2007
Posts: 50
class A{
public static int y;
public static void foo(int x){
y = x;
public static int bar(int z){
return y = z;
public static void main(String ar[]){
int t =0;
assert (t>0): bar(7);
assert (t>1): foo(8); //can't we add a assert statement to a void method

can't we add a assert statement to a void method.what is the output of the program
Jesper de Jong
Java Cowboy
Saloon Keeper

Joined: Aug 16, 2005
Posts: 15092

See this: Programming With Assertions. It says:
The second form of the assertion statement is:

assert Expression1 : Expression2 ;

  • Expression1 is a boolean expression.
  • Expression2 is an expression that has a value. (It cannot be an invocation of a method that is declared void.)

  • Java Beginners FAQ - JavaRanch SCJP FAQ - The Java Tutorial - Java SE 8 API documentation
    I agree. Here's the link:
    subject: assert
    jQuery in Action, 3rd edition