单选题int index = 1;  boolean[] test = new Boolean[3];  boolean foo= test [index];   What is the result?()A Foo has the value of 0.B Foo has the value of null.C Foo has the value of true.D Foo has the value of false.E An exception is thrown.F The code will not compile.

单选题
int index = 1;  boolean[] test = new Boolean[3];  boolean foo= test [index];   What is the result?()
A

 Foo has the value of 0.

B

 Foo has the value of null.

C

 Foo has the value of true.

D

 Foo has the value of false.

E

 An exception is thrown.

F

 The code will not compile.


参考解析

解析: 暂无解析

相关考题:

下列关于boolean类型的叙述中,正确的是A.可以将boolean类型的数值转换为int类型的数值B.可以将boolean类型的数值转换为字符串C.可以将boolean类型的数值转换为char类型的数值D.不能将boolean类型的数值转换为其他基本数据类型

( 12 )下列布尔变量定义中,正确并且规范的是A )BOOLEAN canceled = false;B)boolean canceled = false;C)boolean CANCELED = false;D)boolean canceled = FALSE;

Given:8.intindex=1:9.Boolean[]test=newboolcan[3];10.boolcanfoo=test[index];Whatistheresult()? A.foohasthevalueof0.B.foohasthevalueofnull.C.foohasthevalueoftrue.D.foohasthevalueoffalse.E.An-exceptionisthrown.F.Thecodewillnotcompile.

intindex=1;boolean[]test=newBoolean[3];booleanfoo=test[index];Whatistheresult?() A.Foohasthevalueof0.B.Foohasthevalueofnull.C.Foohasthevalueoftrue.D.Foohasthevalueoffalse.E.Anexceptionisthrown.F.Thecodewillnotcompile.

boolean a=false;boolean b=true;boolean c=(ab)(!b);boolean result=(ab)(!b); boolean result=(ab)(!b); 执行完后,正确的结果是( )。A.c=false;result=falseB.c=true,result=trueC.c=true;result=falseD.c=false;result=true

阅读下面程序 public class My Val{ public static void main(String args[]){ My Val m=new My Val(); m. amethod(); } public void amethod(){ boolean b[]=new Boolean[5]; } } 程序编译或运行结果是A.1B.nullC.D.编译不能过

下列布尔变量定义中,正确并且规范的是A.BOOLEAN canceled=false;B.boolean canceled=false;C.boolean CANCELED=false;D.boolean canceled=FALSE;

在匹配器(Matcher)类中,用于寻找下一个模式匹配串的方法是( )。 A.static boolean matchesSXB 在匹配器(Matcher)类中,用于寻找下一个模式匹配串的方法是( )。A.static boolean matchesB.boolean matcher.findC.int matcher.startD.int matcher.end

下列代码的编译或执行结果是( )。 public class Myval{ public static void main(string args[]){ MyVal m=new MyVal; aMethod; } public void aMethod{ boolean b[]=new Boolean[5]; System.OUt.println(b[0]); } }A.1B.nullC.0D.编译错误

下列关于boolean类型的叙述中,正确的是( )。A.可以将boolean类型的数值转换为int类型的数值SX 下列关于boolean类型的叙述中,正确的是( )。A.可以将boolean类型的数值转换为int类型的数值B.可以将boolean类型的数值转换为字符串C.可以将boolean类型的数值转换为char类型的数值D.不能将boolean类型的数值转换为其他基本数据类型

在匹配器(Matcher)类中,用于输入字符串与模式串比较的方法是A.static boolean matches()B.boolean matcher,find()C.int matcher,start()D.int matcher,end()

当执行下面代码时,会输出( )。 Boolean b1 = new Boolean(true); Boolean b2 = new Boolean(true); if (b1 == b2) if (bi.equals(b2)) System. out.printin ("a"); else System. out. println ("b"); else if (bi.equals(b2)) System. out.println ("c"); else System. out.printIn("d");A.aB.bC.cD.d

执行下列程序段之后,变量b的值为______。 public class Test9 { public static void main(String[] args) { int i=12; int j=24; boolean b1=true; boolean b=(j%i== 0)(!b1) ||(j/i!=2); System.out.println(b); } }A.trueB.假C.1D.0

下面哪些语句是没有编译错误的()A、StringBuffer sb=“java”;B、inti=0x56;C、Boolean b=new Boolean(“java”);D、float f=1.0;

public class Test {  public static void main(String [] args) {  int x =5;  boolean b1 = true;  boolean b2 = false;  if((x==4)  !b2)  System.out.print(”l “);  System.out.print(”2 “);  if ((b2 = true)  b1)  System.out.print(”3 “);  } }  What is the result?() A、 2B、 3C、 1 2D、 2 3E、 1 2 3F、 Compilation fails.G、 Au exceptional is thrown at runtime.

int i,j; boolean booleanValue=(i==j)。

将有三个boolean值的数组初始化为true的是()A、boolean[]b=newboolean[3]B、"boolean[]b={true,true,true}"C、"boolean[3]b={true,true,true}"D、"boolean[]b=newboolean[3];b={true,true,true}"

Which determines if “prefs” is a directory and exists on the file system?()  A、 Boolean exists=Directory.exists (“prefs”);B、 Boolean exists=(new File(“prefs”)).isDir();C、 Boolean exists=(new Directory(“prefs”)).exists();D、 Boolean exists=(new File(“prefs”)).isDirectory();E、 Boolean exists=true;  Try{  Directory d = new Directory(“prefs”);  } catch (FileNotFoundException e) {  exists = false;  }

int index = 1;   boolean test = new Boolean;   boolean foo= test [index];  What is the result?()A、 Foo has the value of 0.B、 Foo has the value of null.C、 Foo has the value of true.D、 Foo has the value of false.E、 An exception is thrown.F、 The code will not compile.

Given:  8.int index = 1:  9.Boolean [] test = new boolcan [3];  10.boolcan foo = test [index];   What is the result()?  A、 foo has the value of 0.B、 foo has the value of null.C、 foo has the value of true.D、 foo has the value of false.E、 An-exception is thrown.F、 The code will not compile.

public class Key {  private long id1;  private long 1d2;  // class Key methods  }  A programmer is developing a class Key, that will be used as a key in a standard java.util.HashMap. Which two methods should be overridden to assure that Key works correctly as a key?()A、 public int hashCode()B、 public boolean equals(Key k)C、 public int compareTo(Object o)D、 public boolean equals(Object o)E、 public boolean compareTo(Key k)

int index = 1;  boolean[] test = new Boolean[3];  boolean foo= test [index];   What is the result?()  A、 Foo has the value of 0.B、 Foo has the value of null.C、 Foo has the value of true.D、 Foo has the value of false.E、 An exception is thrown.F、 The code will not compile.

单选题int index = 1;   boolean test = new Boolean;   boolean foo= test [index];  What is the result?()A Foo has the value of 0.B Foo has the value of null.C Foo has the value of true.D Foo has the value of false.E An exception is thrown.F The code will not compile.

单选题public class Test {  public static void main(String [] args) {  int x =5;  boolean b1 = true;  boolean b2 = false;  if((x==4)  !b2)  System.out.print(”l “);  System.out.print(”2 “);  if ((b2 = true)  b1)  System.out.print(”3 “);  } }  What is the result?()A 2B 3C 1 2D 2 3E 1 2 3F Compilation fails.G Au exceptional is thrown at runtime.

单选题Which determines if “prefs” is a directory and exists on the file system?()A Boolean exists=Directory.exists (“prefs”);B Boolean exists=(new File(“prefs”)).isDir();C Boolean exists=(new Directory(“prefs”)).exists();D Boolean exists=(new File(“prefs”)).isDirectory();E Boolean exists=true;  Try{  Directory d = new Directory(“prefs”);  } catch (FileNotFoundException e) {  exists = false;  }

多选题A JavaBeans component has the following field:  11. private boolean enabled;  Which two pairs of method declarations follow the JavaBeans standard for accessing this field?()Apublic void setEnabled( boolean enabled) public boolean getEnabled()Bpublic void setEnabled( boolean enabled) public void isEnabled()Cpublic void setEnabled( boolean enabled) public boolean isEnabled()Dpublic boolean setEnabled( boolean enabled) public boolean getEnabled()

单选题Given:  8.int index = 1:  9.Boolean [] test = new boolcan [3];  10.boolcan foo = test [index];   What is the result()?A foo has the value of 0.B foo has the value of null.C foo has the value of true.D foo has the value of false.E An-exception is thrown.F The code will not compile.