${vals.2}
${vals[2]}
${vals.index}
${vals[index]}
${vals}[index]
${vals[vals[index-1]]}
第1题:
Given:11.<%java.util.Mapmap=newjava.util.HashMap();12.request.setAttribute("map",map);13.map.put("a","b");14.map.put("b","c");15.map.put("c","d");%>16.<%--insertcodehere--%>WhichthreeELexpressions,insertedatline16,arevalidandevaluateto"d"?()
A.${map.c}
B.${map[c]}
C.${map["c"]}
D.${map.map.b}
E.${map[map.b]}
第2题:
下列程序段: String s1=new String("How"); String s2=new String("How"); System.out.println(!(s1==s2)); 的结果为
A.false
B.true
C.1
D.0
第3题:
( 17 )阅读下面程序
public class OperatorsAndExpressions {
void equalsMethod1(){
String s1=new String("how are you");
String s2=new String("how are you");
System.out.println(s1==s2);
}
public static void main(String args[]){
OperatorsAndExpressions perAndExp=new OperatorsAndExpressions();
// 用于复合类型数据的 “ == ” 运算符
OperAndExp. equalsMethod1();
}
}
程序运行结果是
A ) ==
B ) true
C ) false
D ) equal
第4题:
下列语句输出结果为( )。 public class test { public static void main(StringArgsl[]) { String s1=new String("How"); String s2=new String("How"); System.out.println(!(s1==s2)); } }
A.false
B.true
C.1
D.0
第5题:
下列语句能给数组赋值而不使用for循环的是
A.myArray{[1]="One";[2]="Two";[3]="Three";}
B.String s[5]=new String[]{"Zero", "One", "Two", "There", "Four"};
C.String s[]=new String[]{"Zero", "One", "Two", "There", "Four"};
D.String s[]=new String[]=|"Zero", "One", "Two", "There", "Four"};
第6题:
Given:11.<%12.request.setAttribute("vals",newString[]{"1","2","3","4"});13.request.setAttribute("index","2");14.%>15.<%--insertcodehere--%>WhichthreeELexpressions,insertedatline15,arevalidandevaluateto"3"?()
A.${vals.2}
B.${vals["2"]}
C.${vals.index}
D.${vals[index]}
E.${vals}[index]
F.${vals[vals[index-1]]}
第7题:
阅读下面程序 public class OperatorsAndExpressions{ void equalsMethodl(){ String s1=new String("how are you"); String s2=new String("how are you"); System.out.println(s1==s2); } public static void main(String args[]){ OperatorsAndExpressionsOperAndExp=new OperatorsAndExpressions(); //用于复合类型数据的“==”运算符 OperAndExp.equalsMethod1(); } } 程序运行结果是
A.=
B.true
C.false
D.equal
第8题:
下列语句输出结果为( )。 public class test\ { public static void main (String args[]) { String s1=new String("How"); String s2=new String("How"); System.out.println(!(s1.equals(s2))); } }
A.false
B.true
C.0
D.1
第9题:
阅读下面程序 public class OperatorsAndExpressions { void equalsMethodl(){ String s1=new String("how are you"); String s2=new String("how are you"); System.out.println(s1==s2); } public static void main(String args[]){ OperatorsAndExpressions perAndExp=new OperatorsAndExpressions(); OperAndExp.equalsMethod1(); } } 程序运行结果是( )。
A. ==
B.true
C.假
D.equal
第10题:
下列语句能给数组赋值,而不使用for循环的是
A.myArray{[1]="One";[2]="Two";[3]="Three";}
B.String s[5]=new String[] {"Zero","One","Two","Three","Four"};
C.String s[]=new String[] {"Zero","One","Two","Three","Four"};
D.String s[]=new String[]= {"Zero","One","Two","Three","Four"};