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/*--------------------------------------------------------------------------*/
/* File name : err3.java */
/* : */
/* Cause : Evaluation sequence of the formula which used */
/* : the substitution operator is not performed correctly. */
/* : */
/* Message : NG1:[27]-->[9] */
/* : NG2:[27]-->[9] */
/* : */
/* Note : JLS 15.6 Evaluation Order (p305) */
/* S15.6.1 Evaluate Left-Hand Operand First */
/* : A formula should be evaluated to 9*3 instead of 3*3. */
/*--------------------------------------------------------------------------*/
public class err3 {
public static void main(String[] args) {
int x = 9;
x *= (x = 3);
if ( x == 27 ) {
System.out.println("OK1");
} else {
System.out.println("NG1:[27]-->["+x+"]");
}
int y = 9;
y = y * (y = 3);
if ( y == 27 ) {
System.out.println("OK2");
} else {
System.out.println("NG2:[27]-->["+y+"]");
}
}
}
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