多选题Which three form part of correct array declarations?()Apublic int a []Bstatic int [] aCpublic [] int aDprivate int a [3]Eprivate int [3] a []Fpublic final int [] a

题目
多选题
Which three form part of correct array declarations?()
A

public int a []

B

static int [] a

C

public [] int a

D

private int a [3]

E

private int [3] a []

F

public final int [] a


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更多“多选题Which three form part of correct array declarations?()Apublic int a []Bstatic int [] aCpublic [] int aDprivate int a [3]Eprivate int [3] a []Fpublic final int [] a”相关问题
  • 第1题:

    What do the following declarations mean?

    a) const int a;

    b) int const a;

    c) const int *a;

    d) int * const a;

    e) int const * a const;


    正确答案:

     

  • 第2题:

    public interface Foo{  int k = 4;  }   Which three are equivalent to line 2?()   

    • A、 Final int k = 4;
    • B、 Public int k = 4;
    • C、 Static int k = 4;
    • D、 Private int k = 4;
    • E、 Abstract int k = 4;
    • F、 Volatile int k = 4;

    正确答案:A,B,C

  • 第3题:

    Which two code fragments correctly create and initialize a static array of int elements()

    • A、static final int[]a={100,200};
    • B、static final int[]a;static{a=new int[2];a[0]=100;a[1]=200;}
    • C、static final int[]a=new int[2]{100,200};
    • D、static final int[]a;static void int(){a=new int[3];a[0]=100;a[1]=200;}

    正确答案:A,B

  • 第4题:

    Which three form part of correct array declarations?()  

    • A、 public int a []
    • B、 static int [] a
    • C、 public [] int a
    • D、 private int a [3]
    • E、 private int [3] a []
    • F、 public final int [] a

    正确答案:A,B,F

  • 第5题:

    Which two code fragments correctly create and initialize a static array of int elements?()

    • A、static final int[] a = { 100,200 };
    • B、static final int[] a; static { a=new int[2]; a[0]=100; a[1]=200; }
    • C、static final int[] a = new int[2]{ 100,200 };
    • D、static final int[] a; static void init() { a = new int[3]; a[0]=100; a[1]=200; }

    正确答案:A,B

  • 第6题:

    多选题
    public interface Foo{  int k = 4;  }   Which three are equivalent to line 2?()
    A

    Final int k = 4;

    B

    Public int k = 4;

    C

    Static int k = 4;

    D

    Private int k = 4;

    E

    Abstract int k = 4;

    F

    Volatile int k = 4;


    正确答案: D,A
    解析: 暂无解析

  • 第7题:

    多选题
    public class Parent {     int change() {…}     }  class Child extends Parent {     }  Which methods can be added into class Child?()
    A

    public int change(){}

    B

    int chang(int i){}

    C

    private int change(){}

    D

    abstract int chang(){}


    正确答案: D,A
    解析: 这个题目的问题在第35题中有详尽的叙述。需要注意的是答案D的内容,子类可以重写父类的方法并将之声明为抽象方法,但是这引发的问题是类必须声明为抽象类,否则编译不能通过,而且抽象方法不能有方法体,也就是方法声明后面不能带上那两个大括号({}),这些D都不能满足。

  • 第8题:

    多选题
    1. public class Blip {  2. protected int blipvert(int x) { return 0; }  3. }  4. class Vert extends Blip {  5. // insert code here  6. }  Which five methods, inserted independently at line 5, will compile?()
    A

    public int blipvert(int x) { return 0; }

    B

    private int blipvert(int x) { return 0; }

    C

    private int blipvert(long x) { return 0; }

    D

    protected long blipvert(int x, int y) { return 0; }

    E

    protected int blipvert(long x) { return 0; }

    F

    protected long blipvert(long x) { return 0; }

    G

    protected long blipvert(int x) { return 0; }


    正确答案: B,D
    解析: 暂无解析

  • 第9题:

    多选题
    class A {  protected int method1(int a, int b) { return 0; }  }  Which two are valid in a class that extends class A?()
    A

    public int method1(int a, int b) { return 0; }

    B

    private int method1(int a, int b) { return 0; }

    C

    private int method1(int a, long b) { return 0; }

    D

    public short method1(int a, int b) { return 0: }

    E

    static protected int method1(int a, int b) { return 0; }


    正确答案: D,B
    解析: 暂无解析

  • 第10题:

    多选题
    给定java代码如下所示,在A处新增下列()方法,是对cal方法的重载。public class Test {  public void cal(int x, int y, int z) { } //A }
    A

    public int cal(int x,int y,float z){return 0;}

    B

    public int cal(int x,int y,int z){return 0;}

    C

    public void cal(int x,int z){}

    D

    public viod cal(int z,int y,int x){}


    正确答案: B,D
    解析: 暂无解析

  • 第11题:

    多选题
    public interface Foo{  int k = 4;   }   Which three are equivalent to line 2? ()
    A

    Final int k = 4;

    B

    Public int k = 4;

    C

    Static int k = 4;

    D

    Private int k = 4;

    E

    Abstract int k = 4;

    F

    Volatile int k = 4;

    G

    Transient int k = 4;

    H

    Protected int k = 4;


    正确答案: A,E
    解析: 暂无解析

  • 第12题:

    单选题
    哪一行定义了一个静态变量?()
    A

    public static int i;

    B

    static public int i;

    C

    public int static i;

    D

    int public static i;


    正确答案: C
    解析: 暂无解析

  • 第13题:

    下列数组说明中,正确的是______。

    A.int array[][4];

    B.int array[][];

    C.int marray[][][5];

    D.int array[3][];


    正确答案:A

  • 第14题:

    public interface Foo {  int k = 4; 3. }  Which three are equivalent to line 2?()

    • A、 final int k = 4;
    • B、 public int k = 4;
    • C、 static int k = 4;
    • D、 abstract int k = 4;
    • E、 volatile int k = 4;
    • F、 protected int k = 4;

    正确答案:A,B,C

  • 第15题:

    Given:  1.  public interface Foo {  2.  int k = 4:  3.  }   Which three are equivalent to line 2?()

    • A、 final int k = 4:
    • B、 public int k = 4:
    • C、 static int k = 4:
    • D、 private int k = 4:
    • E、 abstract int k = 4:
    • F、 volatile int k = 4:
    • G、 transient int k = 4:
    • H、 protected int k = 4:

    正确答案:A,B,C

  • 第16题:

    public interface Foo{  int k = 4;   }   Which three are equivalent to line 2? ()

    • A、 Final int k = 4;
    • B、 Public int k = 4;
    • C、 Static int k = 4;
    • D、 Private int k = 4;
    • E、 Abstract int k = 4;
    • F、 Volatile int k = 4;
    • G、 Transient int k = 4;
    • H、 Protected int k = 4;

    正确答案:A,B,C

  • 第17题:

    对数组的定义及初始化不正确的方法是:()。

    • A、int array[];
    • B、int array[8];
    • C、int[]array=new int[8];
    • D、int array[]=new int[8];

    正确答案:B

  • 第18题:

    多选题
    public interface Foo {  int k = 4; 3. }  Which three are equivalent to line 2?()
    A

    final int k = 4;

    B

    public int k = 4;

    C

    static int k = 4;

    D

    abstract int k = 4;

    E

    volatile int k = 4;

    F

    protected int k = 4;


    正确答案: E,C
    解析: 暂无解析

  • 第19题:

    多选题
    Given the following code, which method declarations, when inserted at the indicated position, will not cause the program to fail compilation?()   public class Qdd1f {   public long sum(long a, long b) {  return a + b;  }   // insert new method declaration here  }
    A

    public int sum(int a, int b) { return a + b; }

    B

    public int sum(long a, long b) { return 0; }

    C

    abstract int sum();

    D

    private long sum(long a, long b) { return a + b; }

    E

    public long sum(long a, int b) { return a + b; }


    正确答案: B,C
    解析: 暂无解析

  • 第20题:

    多选题
    Which two code fragments correctly create and initialize a static array of int elements()
    A

    static final int[]a={100,200};

    B

    static final int[]a;static{a=new int[2];a[0]=100;a[1]=200;}

    C

    static final int[]a=new int[2]{100,200};

    D

    static final int[]a;static void int(){a=new int[3];a[0]=100;a[1]=200;}


    正确答案: C,A
    解析: 暂无解析

  • 第21题:

    多选题
    Which three form part of correct array declarations?()
    A

    public int a []

    B

    static int [] a

    C

    public [] int a

    D

    private int a [3]

    E

    private int [3] a []

    F

    public final int [] a


    正确答案: E,A
    解析: 暂无解析

  • 第22题:

    多选题
    Given:  1.  public interface Foo {  2.  int k = 4:  3.  }   Which three are equivalent to line 2?()
    A

    final int k = 4:

    B

    public int k = 4:

    C

    static int k = 4:

    D

    private int k = 4:

    E

    abstract int k = 4:

    F

    volatile int k = 4:

    G

    transient int k = 4:

    H

    protected int k = 4:


    正确答案: F,G
    解析: 暂无解析

  • 第23题:

    多选题
    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,F
    解析: 暂无解析

  • 第24题:

    多选题
    Which two code fragments correctly create and initialize a static array of int elements?()
    A

    static final int[] a = { 100,200 };

    B

    static final int[] a; static { a=new int[2]; a[0]=100; a[1]=200; }

    C

    static final int[] a = new int[2] { 100,200 };

    D

    static final int[] a; static void init() { a = new int[3]; a[0]=100; a[1]=200; }


    正确答案: A,D
    解析: 暂无解析