单选题public class Test {   public static void main (Stringargs) {   String foo = args[1];   String bar = args;   String baz = args;   System.out.printIn(“baz = ” + baz);  }   }   And the output:  Baz = 2   Which command line invocation will produce the outp

题目
单选题
public class Test {   public static void main (Stringargs) {   String foo = args[1];   String bar = args;   String baz = args;   System.out.printIn(“baz = ” + baz);  }   }   And the output:  Baz = 2   Which command line invocation will produce the output?()
A

 Java Test 2222

B

 Java Test 1 2 3 4

C

 Java Test 4 2 4 2

D

 Java Test 4 3 2 1

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相似问题和答案

第1题:

publicclassTest{publicstaticvoidmain(Stringargs){Stringfoo=args[1];Stringbar=args;Stringbaz=args;System.out.printIn(baz=”+baz);}}Andtheoutput:Baz=2Whichcommandlineinvocationwillproducetheoutput?()

A.JavaTest2222

B.JavaTest1234

C.JavaTest4242

D.JavaTest4321


参考答案:C

第2题:

以下是JAVA中正确的入口方法是? () 

  • A、 public static void main(String[] args){}
  • B、 public static void main(String args){}
  • C、 public void main(String[] args){}
  • D、 public static int main(String[] args){}

正确答案:A

第3题:

publicclassTest{publicstaticvoidmain(String[]args){Stringfoo=args[1];Stringbar=args[2];Stringbaz=args[3];System.out.printIn(baz=”+baz);}}Andtheoutput:Baz=2Whichcommandlineinvocationwillproducetheoutput?()

A.JavaTest2222

B.JavaTest1234

C.JavaTest4242

D.JavaTest4321


参考答案:C

第4题:

public class Test {   public static void main (Stringargs) {   String foo = args[1];   String bar = args;   String baz = args;   System.out.printIn(“baz = ” + baz);  }   }   And the output:  Baz = 2   Which command line invocation will produce the output?()

  • A、 Java Test 2222
  • B、 Java Test 1 2 3 4
  • C、 Java Test 4 2 4 2
  • D、 Java Test 4 3 2 1

正确答案:C

第5题:

public class Test {   public static void main (String args) {  string foo = “blue”;  string bar = foo;   foo = “green”;   System.out.printIn(bar);   }   }   What is the result?()  

  • A、 An exception is thrown.
  • B、 The code will not compile.
  • C、 The program prints “null”
  • D、 The program prints “blue”
  • E、 The program prints “green”

正确答案:D

第6题:

下面程序执行后,baz的值应是______。 public class Test9 { public static void main(String[] args) { int index = 1; int fox[] = new int [3]; iht bar = fox [index]; int baz = bar + index; System.out.println(baz); } }

A.0

B.1

C.2

D.编译错误


正确答案:B
解析:int fox[]=new int[3]这时数组的每个元素都初始化为0,所以int baz=bar+index;,其实,这时bar的值为0,这样便有baz的值为1。

第7题:

public class test(  public static void main(string[]args){  string foo = args [1];  string foo = args [2];  string foo = args [3];  }  )  And command line invocation: Java Test red green blue   What is the result?()  

  • A、 Baz has the value of “”
  • B、 Baz has the value of null
  • C、 Baz has the value of “red”
  • D、 Baz has the value of “blue”
  • E、 Bax has the value of “green”
  • F、 The program throws an exception.

正确答案:F

第8题:

publicclassTest{publicstaticvoidmain(String[]args){Stringfoo=args[1];Stringbar=args[2];Stringbaz=args[3];System.out.println(baz=+baz);}}Andthecommandlineinvocation:javaTestredgreenblueWhatistheresult?()

A.baz=

B.baz=null

C.baz=blue

D.Compilationfails.

E.Anexceptionisthrownatruntime.


参考答案:E
Ajava.lang.ArrayIndexOutOfBoundsExceptionisthrownbecauseofline3,shouldbeargs[0].

第9题:

Which declarations will allow a class to be started as a standalone program?()  

  • A、public void main(String args[])
  • B、public void static main(String args[])
  • C、public static main(String[] argv)
  • D、final public static void main(String [] array)
  • E、public static void main(String args[])

正确答案:D,E

第10题:

Public class test (  Public static void main (String args[])  (  System.out.printIn (6 ^ 3);  )  )   What is the output?()


正确答案:5

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