public class TestApp{   public static void main(String[] args){   try{   int i = 0;   int j = 1 / i;   System.out.println(“1”);   } catch(Exception e){   System.out.print(“3”);   } finally{   System.out.print(“4”);   }   }   }   上述程序运行后的输出是哪项?() A、 4B、 3

题目

public class TestApp{   public static void main(String[] args){   try{   int i = 0;   int j = 1 / i;   System.out.println(“1”);   } catch(Exception e){   System.out.print(“3”);   } finally{   System.out.print(“4”);   }   }   }   上述程序运行后的输出是哪项?() 

  • A、 4
  • B、 34
  • C、 43
  • D、 14

相似考题
更多“public class TestApp{”相关问题
  • 第1题:

    程序:  class  TestApp{  public static void main(String[] args){  System.out.println(multiply(2,3,4,5));  }  public int multiply(int[] nums){       int result = 1;       for(int x :nums)           result *= x;       return result;   } }  程序运行后的输出是哪项?() 

    • A、 14
    • B、 编译错误
    • C、 120
    • D、 24

    正确答案:C

  • 第2题:

    public class TestApp{   public int mymethod(){   try{   int i = 0;   int j = 1 / i;   System.out.println(“1”);   }finally{   System.out.print(“4”);  }   return 1;  }  }   上述程序运行后的输出是哪项?() 

    • A、 4
    • B、 14
    • C、 41
    • D、 以上都不对

    正确答案:A

  • 第3题:

    Which two allow the class Thing to be instantiated using new Thing()?

    • A、 public class Thing { }
    • B、 public class Thing { public Thing() {} }
    • C、 public class Thing { public Thing(void) {} }
    • D、 public class Thing { public Thing(String s) {} }
    • E、 public class Thing { public void Thing() {} public Thing(String s) {} }

    正确答案:A,B

  • 第4题:

    package geometry;  public class Hypotenuse {  public InnerTriangle it = new InnerTriangle();  class InnerTriangle {  public int base;  public int height;  }  }  Which is true about the class of an object that can reference the variable base? ()

    • A、 It can be any class.
    • B、 No class has access to base.
    • C、 The class must belong to the geometry package.
    • D、 The class must be a subclass of the class Hypotenuse.

    正确答案:C

  • 第5题:

    Which the two demonstrate an “is a” relationship?()

    • A、 public interface Person {}  Public class Employee extends Person {}
    • B、 public interface Shape {}  public interface Rectangle extends Shape {}
    • C、 public interface Color {}  public class Shape { private Color color; }
    • D、 public class Species {}  public class Animal { private Species species; }
    • E、 interface Component {} Class Container implements Component {private Component [] children;

    正确答案:B,E

  • 第6题:

    What produces a compiler error?()  

    • A、 class A { public A(int x) {} }
    • B、 class A {} class B extends A { B() {} }
    • C、 class A { A() {} } class B { public B() {} }
    • D、 class Z { public Z(int) {} } class A extends Z {}

    正确答案:D

  • 第7题:

    单选题
    public class TestApp{   public static void main(String[] args){   try{   int i = 0;   int j = 1 / i;   System.out.println(“1”);   } catch(Exception e){   System.out.print(“3”);   } finally{   System.out.print(“4”);   }   }   }   上述程序运行后的输出是哪项?()
    A

     4

    B

     34

    C

     43

    D

     14


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    interface Data { public void load(); }  abstract class Info { public abstract void load(); }  Which class correctly uses the Data interface and Info class?()
    A

     public class Employee extends Info implements Data { public void load() { /*do something*/ } }

    B

     public class Employee implements Info extends Data { public void load() { /*do something*/ } }

    C

     public class Employee extends Info implements Data { public void load() { /*do something */ } public void Info.load() { /*do something*/ } }

    D

     public class Employee implements Info extends Data { public void Data.load() { /*dsomething */ } public void load() { /*do something */ } }

    E

     public class Employee implements Info extends Data { public void load() { /*do something */ } public void Info.load(){ /*do something*/ } }

    F

     public class Employee extends Info implements Data{ public void Data.load() { /*do something*/ } public void Info.load() { /*do something*/ } }


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    public class SomeException {  } Class a:  public class a {  public void doSomething() { }  } Class b:  public class b extends a {  public void doSomething() throws SomeException { }  }  Which is true about the two classes?()
    A

     Compilation of both classes will fail.

    B

     Compilation of both classes will succeed.

    C

     Compilation of class a will fail. Compilation of class b will succeed.

    D

     Compilation of class a will fail. Compilation of class a will succeed.


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    程序:  class  TestApp{  public static void main(String[] args){  System.out.println(multiply(2,3,4,5));  }  public int multiply(int[] nums){       int result = 1;       for(int x :nums)           result *= x;       return result;   } }  程序运行后的输出是哪项?()
    A

     14

    B

     编译错误

    C

     120

    D

     24


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    class TestApp{   public static void main (String[ ] args){   for(int i=0;i<10;i++){   if(i==3)   break;   System.out.print (i);  }  }  }   程序运行后的输出是哪项?()
    A

    0123

    B

    012

    C

    0123456789

    D

    012456789


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    What produces a compiler error?()
    A

     class A { public A(int x) {} }

    B

     class A {} class B extends A { B() {} }

    C

     class A { A() {} } class B { public B() {} }

    D

     class Z { public Z(int) {} } class A extends Z {}


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Which three demonstrate an “is a” relationship?() 

    • A、 public class X {  }     public class Y extends X { }
    • B、 public interface Shape { }     public interface Rectangle extends Shape{ }
    • C、 public interface Color { }     public class Shape { private Color color; }
    • D、 public interface Species { }     public class Animal { private Species species; }
    • E、 public class Person { }    public class Employee {      public Employee(Person person) { }
    • F、 interface Component { }     class Container implements Component {   private Component[] children; }

    正确答案:A,B,F

  • 第14题:

    interface Data { public void load(); }  abstract class Info { public abstract void load(); }  Which class correctly uses the Data interface and Info class?() 

    • A、 public class Employee extends Info implements Data { public void load() { /*do something*/ } }
    • B、 public class Employee implements Info extends Data { public void load() { /*do something*/ } }
    • C、 public class Employee extends Info implements Data { public void load() { /*do something */ } public void Info.load() { /*do something*/ } }
    • D、 public class Employee implements Info extends Data { public void Data.load() { /*dsomething */ } public void load() { /*do something */ } }
    • E、 public class Employee implements Info extends Data { public void load() { /*do something */ } public void Info.load(){ /*do something*/ } }
    • F、 public class Employee extends Info implements Data{ public void Data.load() { /*do something*/ } public void Info.load() { /*do something*/ } }

    正确答案:A

  • 第15题:

    现有: class TestApp{ public static void main (String[] args){ for (int i=0; i

    • A、0123
    • B、012456789
    • C、0123456789
    • D、012

    正确答案:D

  • 第16题:

    现有:     class TestApp{  public  static  void main (String[]  args){      for (int  i=0; iif(i==3)      break;  System. out .print (i);     }     }     }  程序运行后的输出是哪项?()     

    • A、0123
    • B、012456789
    • C、  0123456789
    • D、  012

    正确答案:D

  • 第17题:

    Which two demonstrate an “is a” relationship?()   

    • A、 public interface Person { }  public class Employee extends Person { }
    • B、 public interface Shape { }  public class Employee extends Shape { }
    • C、 public interface Color { }  public class Employee extends Color { }
    • D、 public class Species { }  public class Animal (private Species species;)
    • E、 interface Component { }  Class Container implements Component ( Private Component[ ] children;  )

    正确答案:D,E

  • 第18题:

    public abstract class Shape {  private int x;  private int y;  public abstract void draw();  public void setAnchor(int x, int y) {  this.x = x;  this.y = y;  }  }  Which two classes use the Shape class correctly?()

    • A、 public class Circle implements Shape { private int radius; }
    • B、 public abstract class Circle extends Shape { private int radius; }
    • C、 public class Circle extends Shape { private int radius; public void draw(); }
    • D、 public abstract class Circle implements Shape { private int radius; public void draw(); }
    • E、 public class Circle extends Shape { private int radius;public void draw() {/* code here */} }
    • F、 public abstract class Circle implements Shape { private int radius;public void draw() { / code here */ } }

    正确答案:B,E

  • 第19题:

    单选题
    程序:  class  TestApp{  public static void main(String[] args){   for(int i=0;i<10;i++){  if(i==3)                    break;   System.out.print(i);  }      }  }  程序运行后的输出是哪项?()
    A

     0123

    B

     012

    C

     0123456789

    D

     012456789


    正确答案: A
    解析: 暂无解析

  • 第20题:

    多选题
    Which three demonstrate an “is a” relationship?()
    A

    public class X {  }     public class Y extends X { }

    B

    public interface Shape { }     public interface Rectangle extends Shape{ }

    C

    public interface Color { }     public class Shape { private Color color; }

    D

    public interface Species { }     public class Animal { private Species species; }

    E

    public class Person { }    public class Employee {      public Employee(Person person) { }

    F

    interface Component { }     class Container implements Component {   private Component[] children; }


    正确答案: A,F
    解析: 暂无解析

  • 第21题:

    多选题
    Which two allow the class Thing to be instantiated using new Thing()?
    A

    public class Thing { }

    B

    public class Thing { public Thing() {} }

    C

    public class Thing { public Thing(void) {} }

    D

    public class Thing { public Thing(String s) {} }

    E

    public class Thing { public void Thing() {} public Thing(String s) {} }


    正确答案: E,A
    解析: 暂无解析

  • 第22题:

    单选题
    现有:     class TestApp{  public  static  void main (String[]  args){      for (int  i=0; iif(i==3)      break;  System. out .print (i);     }     }     }  程序运行后的输出是哪项?()
    A

    0123

    B

    012456789

    C

      0123456789

    D

      012


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    public class TestApp{  public static void main(String[] args){        try{  String myname = null;           if(myname.length()>2)              System.out.print(“1”);        }catch(NullPointerException e){              System.out.print(“2”);       }   } }  上述程序运行后的输出是哪项?()
    A

     1

    B

     12

    C

     21

    D

     2


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    现有: class TestApp{ public static void main (String[] args){ for (int i=0; i
    A

    0123

    B

    012456789

    C

    0123456789

    D

    012


    正确答案: A
    解析: 暂无解析