What will be written to the standard output when the following program is run?()   public class Q63e3 {   public static void main(String args[]) {   System.out.println(9 ^ 2);   }   }  A、81B、7C、11D、0E、false

题目

What will be written to the standard output when the following program is run?()   public class Q63e3 {   public static void main(String args[]) {   System.out.println(9 ^ 2);   }   }  

  • A、81
  • B、7
  • C、11
  • D、0
  • E、false

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参考答案和解析
正确答案:C
更多“What will be written to the standard output when the following program is run?()   public class Q63e3 {   public static void main(String args[]) {   System.out.println(9 ^ 2);   }   }  A、81B、7C、11D、0E、false”相关问题
  • 第1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2题:

    What will be the result of attempting to compile and run the following code?()   public class Q6b0c {   public static void main(String args[]) {  int i = 4;  float f = 4.3;   double d = 1.8;   int c = 0;   if (i == f) c++;   if (((int) (f + d)) == ((int) f + (int) d))  c += 2;   System.out.println(c);   }   }  

    • A、The code will fail to compile.
    • B、0 will be written to the standard output.
    • C、1 will be written to the standard output.
    • D、2 will be written to the standard output.
    • E、3 will be written to the standard output.

    正确答案:A

  • 第3题:

    public class Test {  public static void main(String[] args) {  String str = NULL;  System.out.println(str);  }  }   What is the result?()  

    • A、 NULL
    • B、 Compilation fails.
    • C、 The code runs with no output.
    • D、 An exception is thrown at runtime.

    正确答案:B

  • 第4题:

    What will be written to the standard output when the following program is run?()   public class Q03e4 {   public static void main(String args[]) {   String space = " ";   String composite = space + "hello" + space + space;   composite.concat("world");   String trimmed = composite.trim();   System.out.println(trimmed.length());   }   }  

    • A、5
    • B、6
    • C、7
    • D、12
    • E、13

    正确答案:A

  • 第5题:

    What will be the result of attempting to compile and run the following program?()   public class Q28fd {   public static void main(String args[]) {   int counter = 0;   l1:   for (int i=10; i<0; i--) {   l2:  int j = 0;   while (j < 10) {   if (j > i) break l2;   if (i == j) {   counter++;   continue l1;   }   }   counter--;   }   System.out.println(counter);  }   }   

    • A、The program will fail to compile.
    • B、The program will not terminate normally.
    • C、The program will write 10 to the standard output.
    • D、The program will write 0 to the standard output.
    • E、The program will write 9 to the standard output.

    正确答案:A

  • 第6题:

    public class Foo {  public static void main(String[] args) {  try {  return;  } finally {  System.out.println( “Finally” );  }  }  }  What is the result?()

    • A、 Finally
    • B、 Compilation fails.
    • C、 The code runs with no output.
    • D、 An exception is thrown at runtime.

    正确答案:A

  • 第7题:

    单选题
    class MyThread extends Thread {  public void run() { System.out.println(“AAA”); }  public void run(Runnable r) { System.out.println(“BBB”); }  public static void main(String[] args) {  new Thread(new MyThread()).start();  }  }   What is the result?()
    A

     AAA

    B

     BBB

    C

     Compilation fails.

    D

     The code runs with no output.


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    What will be the result of attempting to compile and run the following code?()   public class Q6b0c {   public static void main(String args[]) {  int i = 4;  float f = 4.3;   double d = 1.8;   int c = 0;   if (i == f) c++;   if (((int) (f + d)) == ((int) f + (int) d))  c += 2;   System.out.println(c);   }   }
    A

    The code will fail to compile.

    B

    0 will be written to the standard output.

    C

    1 will be written to the standard output.

    D

    2 will be written to the standard output.

    E

    3 will be written to the standard output.


    正确答案: E
    解析: 暂无解析

  • 第9题:

    单选题
    Which code fragments will succeed in printing the last argument given on the command line to the standard output, and exit gracefully with no output if no arguments are given?()   CODE FRAGMENT a:   public static void main(String args[]) {   if (args.length != 0)   System.out.println(args[args.length-1]);   }   CODE FRAGMENT b:   public static void main(String args[]) {   try { System.out.println(args[args.length]); }   catch (ArrayIndexOutOfBoundsException e) {}   }   CODE FRAGMENT c:   public static void main(String args[]) {   int ix = args.length;   String last = args[ix];   if (ix != 0) System.out.println(last);   }   CODE FRAGMENT d:   public static void main(String args[]) {   int ix = args.length-1;   if (ix > 0) System.out.println(args[ix]);   }   CODE FRAGMENT e:   public static void main(String args[]) {   try { System.out.println(args[args.length-1]);  }catch (NullPointerException e) {}   }
    A

    Code fragment a.

    B

    Code fragment b.

    C

    Code fragment c.

    D

    Code fragment d.

    E

    Code fragment e.


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    public class Test {  public static void main(String[] args) {  String str = NULL;  System.out.println(str);  }  }   What is the result?()
    A

     NULL

    B

     Compilation fails.

    C

     The code runs with no output.

    D

     An exception is thrown at runtime.


    正确答案: C
    解析: NULL should be "null".

  • 第11题:

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

    正确答案: 5
    解析: 暂无解析

  • 第12题:

    单选题
    What will be written to the standard output when the following program is run?()   public class Qcb90 {   int a;   int b;   public void f() {  a = 0;   b = 0;   int[] c = { 0 };   g(b, c);   System.out.println(a + " " + b + " " + c[0] + " ");   }   public void g(int b, int[] c) {   a = 1;  b = 1;  c[0] = 1;  }   public static void main(String args[]) {   Qcb90 obj = new Qcb90();   obj.f();   }   }
    A

    0 0 0

    B

    0 0 1

    C

    0 1 0

    D

    1 0 0

    E

    1 0 1


    正确答案: B
    解析: 暂无解析

  • 第13题:

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


    正确答案:5

  • 第14题:

    What will be written to the standard output when the following program is run?()  public class Qd803 {   public static void main(String args[]) {   String word = "restructure";   System.out.println(word.substring(2, 3));   }   }  

    • A、est
    • B、es
    • C、str
    • D、st
    • E、s

    正确答案:E

  • 第15题:

    What will be written to the standard output when the following program is run?()   public class Q8499 {   public static void main(String args[]) {  double d = -2.9;   int i = (int) d;  i *= (int) Math.ceil(d);  i *= (int) Math.abs(d);   System.out.println(i);   }   }

    • A、12
    • B、18
    • C、8
    • D、9
    • E、27

    正确答案:C

  • 第16题:

    What will be written to the standard output when the following program is run?()   class Base {  int i;  Base() {   add(1);   }   void add(int v) {  i += v;  }   void print() {  System.out.println(i);  }   }   class Extension extends Base {  Extension() {  add(2);  }   void add(int v) {  i += v*2;  }  }   public class Qd073 {   public static void main(String args[]) {  bogo(new Extension());  }   static void bogo(Base b) {  b.add(8);  b.print();   }   }  

    • A、9
    • B、18
    • C、20
    • D、21
    • E、22

    正确答案:E

  • 第17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18题:

    What will be written to the standard output when the following program is run?()   public class Qcb90 {   int a;   int b;   public void f() {  a = 0;   b = 0;   int[] c = { 0 };   g(b, c);   System.out.println(a + " " + b + " " + c[0] + " ");   }   public void g(int b, int[] c) {   a = 1;  b = 1;  c[0] = 1;  }   public static void main(String args[]) {   Qcb90 obj = new Qcb90();   obj.f();   }   }  

    • A、0 0 0
    • B、0 0 1
    • C、0 1 0
    • D、1 0 0
    • E、1 0 1

    正确答案:E

  • 第19题:

    填空题
    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: JAVAJAVA
    解析: 暂无解析

  • 第20题:

    单选题
    What will be the result of attempting to run the following program?()   public class Qaa75 {   public static void main(String args[]) {   String[][][] arr = {   { {}, null },   { { "1", "2" }, { "1", null, "3" } },   {},   { { "1", null } }  };   System.out.println(arr.length + arr[1][2].length);   }   }
    A

    The program will terminate with an ArrayIndexOutOfBoundsException.

    B

    The program will terminate with a NullPointerException.

    C

    4 will be written to standard output.

    D

    6 will be written to standard output.

    E

    7 will be written to standard output.


    正确答案: E
    解析: 暂无解析

  • 第21题:

    单选题
    What will be written to the standard output when the following program is run?()  public class Qd803 {   public static void main(String args[]) {   String word = "restructure";   System.out.println(word.substring(2, 3));   }   }
    A

    est

    B

    es

    C

    str

    D

    st

    E

    s


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    What will be the result of attempting to compile and run the following program?()   public class Q28fd {   public static void main(String args[]) {   int counter = 0;   l1:   for (int i=10; i i) break l2;   if (i == j) {   counter++;   continue l1;   }   }   counter--;   }   System.out.println(counter);  }   }
    A

    The program will fail to compile.

    B

    The program will not terminate normally.

    C

    The program will write 10 to the standard output.

    D

    The program will write 0 to the standard output.

    E

    The program will write 9 to the standard output.


    正确答案: E
    解析: 暂无解析

  • 第23题:

    单选题
    What will be written to the standard output when the following program is run?()   public class Q63e3 {   public static void main(String args[]) {   System.out.println(9 ^ 2);   }   }
    A

    81

    B

    7

    C

    11

    D

    0

    E

    false


    正确答案: E
    解析: 暂无解析