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单选题
public class X {   public static void main (Stringargs) {   int a = new int [1]   modify(a);   System.out.printIn(a[0]);   }   public static void modify (int a) {   a[0] ++;    }    }   What is the result?()
A

 The program runs and prints “0”

B

 The program runs and prints “1”

C

 The program runs but aborts with an exception.

D

 An error “possible undefined variable” at line 4 causes compilation to fail.

E

 An error “possible undefined variable” at line 9 causes compilation to fail.


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更多 “单选题public class X {   public static void main (Stringargs) {   int a = new int [1]   modify(a);   System.out.printIn(a[0]);   }   public static void modify (int a) {   a[0] ++;    }    }   What is the result?()A  The program runs and prints “0”B  The program runs and prints “1”C  The program runs but aborts with an exception.D  An error “possible undefined variable” at line 4 causes compilation to fail.E  An error “possible undefined variable” at line 9 causes compilation to fail.” 相关考题
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考题 public class foo {   public static void main (stringargs)   try {return;}   finally {system.out.printIn(“Finally”);}   }     What is the result?()  A、 The program runs and prints nothing.B、 The program runs and prints “Finally”C、 The code compiles, but an exception is thrown at runtime.D、 The code will not compile because the catch block is missing.

考题 1. public class X {  2. public static void main (String[]args)   {  3. int [] a = new int [1]  4. modify(a);  5. System.out.printIn(a[0]);  6. }  7.    8. public static void modify (int[] a)  {  9.   a[0] ++;  10.    } 11. }       What is the result?()A、 The program runs and prints “0”B、 The program runs and prints “1”C、 The program runs but aborts with an exception.D、 An error “possible undefined variable” at line 4 causes compilation to fail.E、 An error “possible undefined variable” at line 9 causes compilation to fail.

考题 public class X {   public static void main (Stringargs) {   int a = new int [1]   modify(a);   System.out.printIn(a[0]);   }   public static void modify (int a) {   a[0] ++;    }    }   What is the result?()  A、 The program runs and prints “0”B、 The program runs and prints “1”C、 The program runs but aborts with an exception.D、 An error “possible undefined variable” at line 4 causes compilation to fail.E、 An error “possible undefined variable” at line 9 causes compilation to fail.

考题 public class ForBar {   public static void main(String args) {   int i = 0, j = 5;   tp: for (;;) {   i ++;   for(;;)   if(i  --j) break tp;   }   system.out.printIn(“i = ” + i + “, j = “+ j);   }   }   What is the result? () A、 The program runs and prints “i=1, j=0”B、 The program runs and prints “i=1, j=4”C、 The program runs and prints “i=3, j=4”D、 The program runs and prints “i=3, j=0”E、 An error at line 4 causes compilation to fail.F、 An error at line 7 causes compilation to fail.

考题 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”

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考题  public class X {   public static void main (String[]args)   {   string s = new string (“Hello”);   modify(s);   System.out.printIn(s);   }   public static void modify (String s)  {   s += “world!”;      }   }      What is the result?()    A、 The program runs and prints “Hello”B、 An error causes compilation to fail.C、 The program runs and prints “Hello world!”D、 The program runs but aborts with an exception.

考题 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.

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考题 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.

考题 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”

考题 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 0B、0 0 1C、0 1 0D、1 0 0E、1 0 1

考题 单选题1. public class X {  2. public static void main (String[]args)   {  3. int [] a = new int [1]  4. modify(a);  5. System.out.printIn(a[0]);  6. }  7.    8. public static void modify (int[] a)  {  9.   a[0] ++;  10.    } 11. }       What is the result?()A  The program runs and prints “0”B  The program runs and prints “1”C  The program runs but aborts with an exception.D  An error “possible undefined variable” at line 4 causes compilation to fail.E  An error “possible undefined variable” at line 9 causes compilation to fail.

考题 单选题public class ForBar {   public static void main(String args) {   int i = 0, j = 5;   tp: for (;;) {   i ++;   for(;;)   if(i  --j) break tp;   }   system.out.printIn(“i = ” + i + “, j = “+ j);   }   }   What is the result? ()A  The program runs and prints “i=1, j=0”B  The program runs and prints “i=1, j=4”C  The program runs and prints “i=3, j=4”D  The program runs and prints “i=3, j=0”E  An error at line 4 causes compilation to fail.F  An error at line 7 causes compilation to fail.

考题 单选题public class X {   public static void main (Stringargs) {   String s1 = new String (“true”);   Boolean b1 = new Boolean (true);   if (s2.equals(b1)) {   System.out.printIn(“Equal”);   }   }   }   What is the result? ()A  The program runs and prints nothing.B  The program runs and prints “Equal”C  An error at line 5 causes compilation to fail.D  The program runs but aborts with an exception.

考题 单选题public class X {   public static void main (Stringargs) {   string s = new string (“Hello”);   modify(s);   System.out.printIn(s);   }   public static void modify (String s) {   s += “world!”;   }   }   What is the result?()A The program runs and prints “Hello”B An error causes compilation to fail.C The program runs and prints “Hello world!”D The program runs but aborts with an exception.

考题 单选题public class IfTest (   public static void main(stringargs) {   int x = 3;  int y = 1;   if (x = y)   system.out.printIn(“Not equal”);   else   system.out.printIn(“Equal”);   }   )   What is the result?()A  The output is “Equal”B  The output in “Not Equal”C  An error at line 5 causes compilation to fall.D  The program executes but does not print a message.

考题 单选题public class X {   public static void main (String[]args)   {   string s = new string (“Hello”);   modify(s);   System.out.printIn(s);   }   public static void modify (String s)  {   s += “world!”;      }   }      What is the result?()A  The program runs and prints “Hello”B  An error causes compilation to fail.C  The program runs and prints “Hello world!”D  The program runs but aborts with an exception.

考题 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  0B  1C  2D  Compilation fails.

考题 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.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”

考题 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.

考题 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 0B 0 0 1C 0 1 0D 1 0 0E 1 0 1

考题 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.

考题 单选题public class X {   public static void main (Stringargs) {   int a = new int [1]   modify(a);   System.out.printIn(a[0]);   }   public static void modify (int a) {   a[0] ++;    }    }   What is the result?()A  The program runs and prints “0”B  The program runs and prints “1”C  The program runs but aborts with an exception.D  An error “possible undefined variable” at line 4 causes compilation to fail.E  An error “possible undefined variable” at line 9 causes compilation to fail.