67 }/end method main Average2.java 68 69 }//end class Average2 Input Input Enter Integer Grade,-1 to Quit: Enter Integer Grade,-1 to Quit: 97 88 Cancel Cancel Input ☒ Input ☒ Enter Integer Grade,-1 to Quit: Enter Integer Grade,-1 to Quit: 72 -1 OK Cancel OK N Cancel Class Average Class average is 85.67 OK ©2006计算机系杨厚群 All rights lefts reserved ©2006 计算机系 杨厚群 All rights & lefts reserved. 67 } // end method main 68 69 } // end class Average2 Average2.java