public class Alpha{  private static Character() ids;  public static void main( String[] args){  ids = new Character[args.length];  for (int i=0; iids[i] = new Character( args[i] );  System.out.print( ids[i] );  }  }  }   What is correct?()   A、 Compilat

题目

public class Alpha{  private static Character() ids;  public static void main( String[] args){  ids = new Character[args.length];  for (int i=0; iids[i] = new Character( args[i] );  System.out.print( ids[i] );  }  }  }   What is correct?()  

  • A、 Compilation fails.
  • B、 The code runs with no output.
  • C、 An exception is thrown at runtime.
  • D、 The code runs, outputing a concatenated list of the arguments passed to the program.

相似考题
更多“public class Alpha{  private static Character() ids;  public static void main( String[] args){  ids = new Character[args.length];  for (int i=0; iids[i] = new Character( args[i] );  System.out.print( ids[i] );  }  }  }   What is correct?()   A、 Compilati”相关问题
  • 第1题:

    以下程序的输出结果为:public class example {public static void main(String args[]) {int i=0;for (i=0;i<4;i++) {if (i==3、break;System.out.print(i);}System.out.println(i);}}

    A.0123 B.0122 C.123 D.234


    正确答案:A

  • 第2题:

    ( 30 )在程序的下划线处应填入的选项是

    public class Test _________{

    public static void main(String args[]){

    Test t = new Test();

    Thread tt = new Thread(t);

    tt.start();

    }

    public void run(){

    for(int i=0;i<5;i++){

    system.out.println( " i= " +i);

    }

    }

    }

    A ) implements Runnable

    B ) extends Thread

    C ) implements Thread

    D ) extends Runnable


    正确答案:A

  • 第3题:

    class Super {  public int i = 0;  public Super(String text) {  i = 1; }  }  public class Sub extends Super {  public Sub(String text) {  i = 2;  }   public static void main(String args[]) {  Sub sub = new Sub(“Hello”);  System.out.println(sub.i);  }  }  What is the result?()  

    • A、 0
    • B、 1
    • C、 2
    • D、 Compilation fails.

    正确答案:C

  • 第4题:

    public class Test {  public static void leftshift(int i, int j) {  i<<=j;  }  public static void main(String args[])  {  int i = 4, j = 2;  leftshift(i, j);   System.out.printIn(i); }  }     What is the result?()  

    • A、 2
    • B、 4
    • C、 8
    • D、 16
    • E、 The code will not compile.

    正确答案:B

  • 第5题:

    public class test(    public int aMethod()[   static int i=0;   i++;   return I;   )    public static void main (String args){   test test = new test();    test.aMethod();   int j = test.aMethod();   System.out.printIn(j);   ]  }   What is the result?()

    • A、 Compilation will fail.
    • B、 Compilation will succeed and the program will print “0”
    • C、 Compilation will succeed and the program will print “1”
    • D、 Compilation will succeed and the program will print “2”

    正确答案:D

  • 第6题:

    public class Test {  public int aMethod() {  static int i = 0;  i++;  return i;  }  public static void main (String args[]) {  Test test = new Test();  test.aMethod();  int j = test.aMethod();  System.out.println(j);  }  }  What is the result?()  

    • A、 0
    • B、 1
    • C、 2
    • D、 Compilation fails.

    正确答案:D

  • 第7题:

    public class test (      private static int j = 0;  private static boolean methodB(int k) (  j += k;  return true;  )  public static void methodA(int  i)(  boolean b:     b = i < 10 | methodB (4);  b = i < 10 || methodB (8);  )  public static void main (String args[])(   methodA (0);  system.out.printIn(j);  )  )   What is the result?()  

    • A、 The program prints “0”
    • B、 The program prints “4”
    • C、 The program prints “8”
    • D、 The program prints “12”
    • E、 The code does not complete.

    正确答案:B

  • 第8题:

    class super (   public int I = 0;   public super (string text) (   I = 1   )   )     public class sub extends super (   public sub (string text) (   i= 2   )   public static void main (straing args) (  sub sub = new sub (“Hello”);   system.out. PrintIn(sub.i);  )   )   What is the result?()

    • A、 Compilation will fail.
    • B、 Compilation will succeed and the program will print “0”
    • C、 Compilation will succeed and the program will print “1”
    • D、 Compilation will succeed and the program will print “2”

    正确答案:A

  • 第9题:

    单选题
    class super (  public int I = 0;  public super (string text) (  I = 1  )  )  public class sub extends super (  public sub (string text)   ( i= 2  )  public static void main (straing args[])   (  sub sub = new sub (“Hello”);  system.out. PrintIn(sub.i);  )    )   What is the result?()
    A

     Compilation will fail.

    B

     Compilation will succeed and the program will print “0”

    C

     Compilation will succeed and the program will print “1”

    D

     Compilation will succeed and the program will print “2”


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    class Super {  public int i = 0;  public Super(String text) {  i = 1; }  }  public class Sub extends Super {  public Sub(String text) {  i = 2;  }   public static void main(String args[]) {  Sub sub = new Sub(“Hello”);  System.out.println(sub.i);  }  }  What is the result?()
    A

     0

    B

     1

    C

     2

    D

     Compilation fails.


    正确答案: B
    解析: This code is perfectly legal and the answer is C. 

  • 第11题:

    单选题
    public class Test {  public static void leftshift(int i, int j) {  i<<=j;  }  public static void main(String args[])  {  int i = 4, j = 2;  leftshift(i, j);   System.out.printIn(i); }  }     What is the result?()
    A

     2

    B

     4

    C

     8

    D

     16

    E

     The code will not compile.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    public class test (      private static int j = 0;  private static boolean methodB(int k) (  j += k;  return true;  )  public static void methodA(int  i)(  boolean b:     b = i < 10 | methodB (4);  b = i < 10 || methodB (8);  )  public static void main (String args[])(   methodA (0);  system.out.printIn(j);  )  )   What is the result?()
    A

     The program prints “0”

    B

     The program prints “4”

    C

     The program prints “8”

    D

     The program prints “12”

    E

     The code does not complete.


    正确答案: B
    解析: 暂无解析

  • 第13题:

    以下程序的运行结果为?

    class ValHold{

    public int i = 10;

    }

    public class ObParm{

    public static void main(String argv[]){

    ObParm o = new ObParm();

    o.amethod();

    }

    public void amethod(){

    int i = 99;

    ValHold v = new ValHold();

    v.i=30;

    another(v,i);

    System.out.print( v.i );

    }

    public void another(ValHold v, int i){

    i=0;

    v.i = 20;

    ValHold vh = new ValHold();

    v = vh;

    System.out.print(v.i);

    System.out.print(i);

    }

    }

    A.10030

    B. 20030

    C. 209930

    D. 10020


    正确答案:D

  • 第14题:

    public class Test {  public static void add3 (Integer i) {  int val = i.intValue();  val += 3;  i = new Integer(val); }  public static void main(String args[]) {  Integer i = new Integer(0);  add3(i);  System.out.println(i.intValue());  }  }   What is the result? () 

    • A、 0
    • B、 3
    • C、 Compilation fails.
    • D、 An exception is thrown at runtime.

    正确答案:A

  • 第15题:

    public class test (   public static void main(string args) {   int 1= 0;   while (i) {   if (i==4) {   break;  }   ++i;  }   }   )   What is the value of i at line 10?()

    • A、 0
    • B、 3
    • C、 4
    • D、 5
    • E、 The code will not compile.

    正确答案:E

  • 第16题:

    public class TestOne implements Runnable {  public static void main (String[] args) throws Exception {  Thread t = new Thread(new TestOne());  t.start();  System.out.print(”Started”);  t.join();  System.out.print(”Complete”);  }  public void run() {  for (int i= 0; i< 4; i++) {   System.out.print(i);  }  }  }  What can be a result?()

    • A、 Compilation fails.
    • B、 An exception is thrown at runtime.
    • C、 The code executes and prints “StartedComplete”.
    • D、 The code executes and prints “StartedComplete0123”.
    • E、 The code executes and prints “Started0l23Complete”.

    正确答案:E

  • 第17题:

    public class Test {  public static void main(String args[]) {  class Foo {  public int i = 3; }  Object o = (Object)new Foo();   Foo foo = (Foo)o;  System.out.println(“i = “ + foo.i); }  }  What is the result?()  

    • A、 i = 3
    • B、 Compilation fails.
    • C、 A ClassCastException is thrown at line 6.
    • D、 A ClassCastException is thrown at line 7.

    正确答案:A

  • 第18题:

    Public class test (  Public static void stringReplace (String text)  (  Text = text.replace (‘j’ , ‘i’);  )  public static void bufferReplace (StringBuffer text)  (  text = text.append (“C”)  )   public static void main (String args[]}  (  String textString = new String (“java”); StringBuffer text BufferString = new StringBuffer (“java”);  stringReplace (textString);  bufferReplace (textBuffer);  System.out.printLn (textString + textBuffer);  ) )  What is the output?()


    正确答案:javajavaC

  • 第19题:

    public class test {   public static void add3 (Integer i){  int val = i.intValue ( );   val += 3;   i = new Integer (val);    }     public static void main (String args [ ] )  { Integer i = new Integer (0);    add3 (i);   system.out.printIn (i.intValue ( ) );   }    }   What is the result?()

    • A、 Compilation will fail.
    • B、 The program prints “0”.
    • C、 The program prints “3”.
    • D、 Compilation will succeed but an exception will be thrown at line 3.

    正确答案:B

  • 第20题:

    单选题
    public class Alpha{  private static Character() ids;  public static void main( String[] args){  ids = new Character[args.length];  for (int i=0; iids[i] = new Character( args[i] );  System.out.print( ids[i] );  }  }  }   What is correct?()
    A

     Compilation fails.

    B

     The code runs with no output.

    C

     An exception is thrown at runtime.

    D

     The code runs, outputing a concatenated list of the arguments passed to the program.


    正确答案: C
    解析: Compilation fails. Line 2: Return Type required.

  • 第21题:

    单选题
    public class test (   public static void main(string args) {   int 1= 0;   while (i) {   if (i==4) {   break;  }   ++i;  }   }   )   What is the value of i at line 10?()
    A

     0

    B

     3

    C

     4

    D

     5

    E

     The code will not compile.


    正确答案: E
    解析: 暂无解析

  • 第22题:

    单选题
    public class Test {  public int aMethod() {  static int i = 0;  i++;  return i;  }  public static void main (String args[]) {  Test test = new Test();  test.aMethod();  int j = test.aMethod();  System.out.println(j);  }  }  What is the result?()
    A

     0

    B

     1

    C

     2

    D

     Compilation fails.


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    public class test {  public static void add3 (Integer i)  int val = i.intValue ( );  val += 3;  i = new Integer (val);  } public static void main (String args [ ] )  {  Integer  i = new Integer (0);  add3 (i);  system.out.printIn (i.intValue ( )  );  } What is the result?()
    A

     Compilation will fail.

    B

     The program prints “0”.

    C

     The program prints “3”.

    D

     Compilation will succeed but an exception will be thrown at line 3.


    正确答案: C
    解析: 暂无解析