static class InnerOne { public double methoda() {return d1;} }
static class InnerOne { static double methoda() {return d1;} }
private class InnerOne { public double methoda() {return d1;} }
protected class InnerOne { static double methoda() {return d1;} }
public abstract class InnerOne { public abstract double methoda(); }
第1题:
Which two are valid declarations within an interface definition?()
第2题:
10. abstract public class Employee { 11. protected abstract double getSalesAmount(); 12. public double getCommision() { 13. return getSalesAmount() * 0.15; 14. } 15. } 16. class Sales extends Employee { 17. // insert method here 18. } Which two methods, inserted independently at line 17, correctly complete the Sales class?()
第3题:
Which the following two statements are true?()
第4题:
class BaseClass{ private float x= 1.0f; protected void setVar (float f) {x = f;} } class SubClass extends BaseClass { private float x = 2.0f; //insert code here } Which two are valid examples of method overriding?()
第5题:
public class Score implements Comparable
第6题:
1. public class OuterClass { 2. private double d1 = 1.0; 3. // insert code here 4. } Which two are valid if inserted at line 3?()
第7题:
public class returnIt ( returnType methodA(byte x, double y) ( return (short) x/y * 2; ) ) What is the valid returnType for methodA in line 2?()
第8题:
n = 100;
i.setX( 100);
o.getY().setX( 100);
i = new Inner(); i.setX( 100);
o.setY( i); i = new Inner(); i.setX( 100);
i = new Inner(); i.setX( 100); o.setY( i);
第9题:
native public void setTemperature(int kelvin);
private native void setTemperature(int kelvin);
protected int native getTemperature();
public abstract native void setTemperature(int kelvin);
native int setTemperature(int kelvin) {}
第10题:
static class InnerOne { public double methoda() { return d1; } }
static class InnerOne { static double methoda() { return d1; } }
private class InnerOne { public double methoda() { return d1; } }
protected class InnerOne { static double methoda() { return d1; } }
public abstract class InnerOne { public abstract double methoda(); }
第11题:
double getSalesAmount() { return 1230.45; }
public double getSalesAmount() { return 1230.45; }
private double getSalesAmount() { return 1230.45; }
protected double getSalesAmount() { return 1230.45; }
第12题:
An inner class may be declared as static.
An anonymous inner class can be declared as public.
An anonymous inner class can be declared as private.
An anonymous inner class can extend an abstract class.
An anonymous inner class can be declared as protected.
第13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 }
第14题:
package foo; public class Outer ( public static class Inner ( ) ) Which statement is true? ()
第15题:
public class OuterClass { private double d1 1.0; //insert code here } You need to insert an inner class declaration at line2. Which two inner class declarations are valid?()
第16题:
class One { public One foo() { return this; } } class Two extends One { public One foo() { return this; } } class Three extends Two { // insert method here } Which two methods, inserted individually, correctly complete the Three class?()
第17题:
public class enclosingone ( public class insideone{} ) public class inertest( public static void main (stringargs)( enclosingone eo= new enclosingone (); //insert code here ) ) Which statement at line 7 constructs an instance of the inner class?()
第18题:
Which will declare a method that is available to all members of the same package and can be referenced without an instance of the class?()
第19题:
Given: 10. class One { 11. void foo() { } 12. } 13. class Two extends One { 14. //insert method here 15. } Which three methods, inserted individually at line 14, will correctly complete class Two?()
第20题:
static class InnerOne { public double methoda() {return d1;} }
static class InnerOne { static double methoda() {return d1;} }
private class InnerOne { public double methoda() {return d1;} }
protected class InnerOne { static double methoda() {return d1;} }
public abstract class InnerOne { public abstract double methoda(); }
第21题:
An inner class may be declared as static.
An anonymous inner class can be declared as public.
An anonymous inner class can be declared as private.
An anonymous inner class can extend an abstract class.
An anonymous inner class can be declared as protected.
第22题:
public void foo() { }
public int foo() { return 3; }
public Two foo() { return this; }
public One foo() { return this; }
public Object foo() { return this; }
第23题:
Int
Byte
Long
Short
Float
Double
第24题:
Abstract public void methoda();
Public abstract double methoda();
Static void methoda(double d1){}
Public native double methoda(){}
Protected void methoda(double d1){}