Which three form part of correct array declarations?() A、 public int a []B、 static int [] aC、 public [] int aD、 private int a [3]E、 private int [3] a []F、 public final int [] a
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
相关考题:
能将程序补充完整的选项是( )。class Person{ private int a; public int change(int m){ return m; }}public class Teacher extends Person{ public int b; public static void main(String arg[]) { Person p = new Person(); Teacher t = new Teacher(); int i; ______ }} B.A.i=mB.i=bC. i=p.aD.i=p. change(50)
给出下列代码,如何使成员变量m被方法fun( )直接访问?Class Test{private int m;public static void fun( ){} }A.将private int m改为protected int mB.将private int m改为public int mC.将private int m改为static int mD.将private int m改为int m
给出下列代码,如何使成员变量m被方法fun( )直接访问? class Test{ private int m; public static void fun( ){ … } }A.将private int m改为protected int mB.将private int m改为public int mC.将private int m改为static iD.将private int m改为int m
能将程序补充完整的选项是 class Person { private int a; public int change(int m){return m; } } public class Teacher extends Person { public int b; public static void main(String arg[]) { Person p=new Person(); Teacher t=new Teacher(); int i; ______ } }A.i=mB.i=bC.i=p.aD.i=p.change(50)
若有以下程序:includeusing namespace std;class A{private:int a; public:void seta 若有以下程序: #include<iostream> using namespace std; class A { private: int a; public: void seta(int x) { a=x; } void showa() { cout<<a<<","; } }; class B { private: int b; public: void setb(int x) { b=x; } void showb() { cout<<b<<",”; } }; class C:pUblic A,private B { private: int c; public: void setc(int x,int y,int z) { c=z; seta(x); setb(y); } void showc() { showa(); showb(); cout<<c<<end1; } }; int main() { Cc; c.setc(1,2,3); c.showc(); retrun 0; } 程序执行后的输出结果是A.1,2,3B.1,1,1C.2,2,2D.3,3,3
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分析下面程序,哪一行代码能正确赋值?()class Demo {public void method() {final int num1 = 10;static int num2 = 20;abstract int num3 = 30;private int num4 = 40;}} A.final int num1 = 10;B.static int num2 = 20;C.abstract int num3 = 30;D.private int num4 = 40;
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; }
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;
Which lines of code are valid declarations of a native method when occurring within the declaration of the following class?() public class Qf575 { // insert declaration of a native method here } A、native public void setTemperature(int kelvin);B、private native void setTemperature(int kelvin);C、protected int native getTemperature();D、public abstract native void setTemperature(int kelvin);E、native int setTemperature(int kelvin) {}
Given: 1. public class Method Over { 2. public void set Var (int a, int b, float c) { 3. } 4. } Which two overload the set Var method()?A、 private void set Var(int a, float c, int b) {}B、 protected void set Var(int a, int b, float c) {}C、 public int set Var(int a, float c, int b) {return a:}D、 public int set Var(int a, int b, float c) {return a:}E、 protected float set Var(int a, int b, float c) {return c:}
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;
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; }
现有: public class TestDemo{ private int X-2; static int y=3; public void method(){ final int i=100; int j =10; class Cinner { public void mymethod(){ //Here } } } } 在Here处可以访问的变量是哪些?() A、XB、yC、jD、i
下列选项中可以替换所给代码中第2行的有()。A、final int k = 4;B、public int k = 4;C、transient int k = 4;D、private int k = 4;E、abstract int k = 4;F、volatile int k=4;G、static int k= 4;H、protected int k = 4;
public class TestDemo{ private int x = 2; static int y = 3; public void method(){ final int i=100; int j = 10; class Cinner{ public void mymethod(){ //Here } } } } 在Here处可以访问的变量是哪些?() A、xB、 yC、 iD、 j
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:
public class ConstOver { public ConstOver (int x, int y, int z) { } } Which two overload the ConstOver constructor?() A、 ConstOver ( ) { }B、 Protected int ConstOver ( ) { }C、 Private ConstOver (int z, int y, byte x) { }D、 Public Object ConstOver (int x, int y, int z) { }E、 Public void ConstOver (byte x, byte y, byte z) { }
Given: 1. public class ConstOver { 2. public constOver(int x, int y, int z) { 3. } 4. } Which two overload the ConstOver Constructor?()A、 ConstOver() {}B、 protected int ConstOver(){}C、 private ConstOver(int z, int y, byte x ) {}D、 public Object ConstOver(Int x, int y, int z) {}E、 pubic void ConstOver (byte x, byte y, byte z) {}
public class MethodOver { private int x, y; private float z; public void setVar(int a, int b, float c){ x = a; y = b; z = c; } } Which two overload the setVar method?()A、 void setVar (int a, int b, float c){ x = a; y = b; z = c; }B、 public void setVar(int a, float c, int b) { setVar(a, b, c); }C、 public void setVar(int a, float c, int b) { this(a, b, c); }D、 public void setVar(int a, float b){ x = a; z = b; }E、 public void setVar(int ax, int by, float cz) { x = ax; y = by; z = cz; }
public class MethodOver { public void setVar (int a, int b, float c) { } } Which two overload the setVar method?() A、 Private void setVar (int a, float c, int b) { }B、 Protected void setVar (int a, int b, float c) { }C、 Public int setVar (int a, float c, int b) (return a;)D、 Public int setVar (int a, int b, float c) (return a;)E、 Protected float setVar (int a, int b, float c) (return c;)
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(){}
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;
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 */ } }
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
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?()Apublic class Circle implements Shape { private int radius; }Bpublic abstract class Circle extends Shape { private int radius; }Cpublic class Circle extends Shape { private int radius; public void draw(); }Dpublic abstract class Circle implements Shape { private int radius; public void draw(); }Epublic class Circle extends Shape { private int radius;public void draw() {/* code here */} }Fpublic abstract class Circle implements Shape { private int radius;public void draw() { / code here */ } }
( 难度:中等)下面哪个函数是 public void example(){...} 的重载函数?A.private void example( int m){...}B.public int example(){...}C.public void example2(){...}D.public int example ( int m, float f){...}E.public int example ( int m, float f, int cc){...}