mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			35 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Java
		
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Java
		
	
	
	
/*--------------------------------------------------------------------------*/
 | 
						|
/* 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+"]");
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
 |