四种气质类型:()
A. 抑郁质
B. 多血质
C. 粘液质
D. 胆汁质
publicclassFoo{staticint[]a;static{a[0]=2;}publicstaticvoidmain(String[]args){}}Whichexceptionorerrorwillbethrownwhenaprogrammerattemptstorunthiscode?()
A. java.lang.StackOverflowError
B. java.lang.IllegalStateException
C. java.lang.ExceptionlnlnitializerError
D. java.lang.ArraylndexOutOfBoundsException
在商品陈列方法运用与消费心理中,基本陈列法包含()
A. 集中陈列法
B. 整齐陈列法
C. 墙面陈列法
D. 端头陈列法
E. 联系陈列法
publicvoidsomeMethod(Objectvalue){12.//checkfornullvalue....20.System.out.println(value.getClass());21.}What,insertedatline12,istheappropriatewaytohandleanullvalue?()
A. assertvalue==null;
B. assertvalue!null,“valueisnull”;
C. if(value==null){thrownewAssertionException(”valueisnull”);
D. if(value==null){thrownewIllegalArgumentException(”valueisnull”);