2010年下JAVA语言试试卷2010年下JAVA语言考试试卷.docVIP

2010年(下)全国信息技术水平考试计算机程序设计技术水平证书（JAVA语言）考试试 第一大题：单选题(30 分)  ?1. ?下列叙述中正确的是(????????) HTMLCONTROL Forms.HTML:Option.1 (A)?Java程序经编译后会产生machine?code HTMLCONTROL Forms.HTML:Option.1 (B)?Java程序经编译后会产生byte?code  HTMLCONTROL Forms.HTML:Option.1 (C)?Java程序经编译后会产生DLL  HTMLCONTROL Forms.HTML:Option.1 (D)?以上都不正确  ?2. ?下列说法中正确的是(????????) HTMLCONTROL Forms.HTML:Option.1 (A)?类中的构造方法声明不可省略??????????????????????? HTMLCONTROL Forms.HTML:Option.1 (B)?构造方法必须与类同名，构造方法返回值为void  HTMLCONTROL Forms.HTML:Option.1 (C)?构造方法在一个对象被new时执行  HTMLCONTROL Forms.HTML:Option.1 (D)?一个类只能定义一个构造方法  ?3. ?JDBC常用的类和接口都包含在(????????)包中。 HTMLCONTROL Forms.HTML:Option.1 (A)?java.sql?  HTMLCONTROL Forms.HTML:Option.1 (B)?java.awt ?  HTMLCONTROL Forms.HTML:Option.1 (C)?java.lang ?  HTMLCONTROL Forms.HTML:Option.1 (D)?java.swing  ?4. ?执行下列程序后，C的值是（????????）public?class?Test{??????public?static??void??main(String?arg[]){????int?a=0,c=0;???do{?????????--c;?????????a=a-1;?????????}while(a0);??????}}? HTMLCONTROL Forms.HTML:Option.1 (A)?0?  HTMLCONTROL Forms.HTML:Option.1 (B)?1 ?  HTMLCONTROL Forms.HTML:Option.1 (C)?-1 ?  HTMLCONTROL Forms.HTML:Option.1 (D)?死循环  ?5.?若有int型public成员变量MAX_LENGTH，该值保持为常数100，则定义这个变量的语句是(????????) HTMLCONTROL Forms.HTML:Option.1 (A)??public?int?MAX_LENGTH=100??????????? HTMLCONTROL Forms.HTML:Option.1 (B)?final?int?MAX_LENGTH=100  HTMLCONTROL Forms.HTML:Option.1 (C)?public?const?int?MAX_LENGTH=100  HTMLCONTROL Forms.HTML:Option.1 (D)?public?final?int?MAX_LENGTH=100  ?6. ?在程序中import，package，class出现的正确顺序是?(????????) HTMLCONTROL Forms.HTML:Option.1 (A)?import??package??class??? HTMLCONTROL Forms.HTML:Option.1 (B)?package??import??class  HTMLCONTROL Forms.HTML:Option.1 (C)?package??class??import  HTMLCONTROL Forms.HTML:Option.1 (D)?import??class??package  ?7. ?下列方法中可以用来创建一个新线程的是(????????) HTMLCONTROL Forms.HTML:Option.1 (A)?实现java.lang.Runnable接口并重写start()方法? HTMLCONTR