多选题11. public interface Status {  12. /* insert code here */ int MY_VALUE = 10;  13. }  Which three are valid on line 12?()AfinalBstaticCnativeDpublicEprivateFabstractGprotected

多选题
11. public interface Status {  12. /* insert code here */ int MY_VALUE = 10;  13. }  Which three are valid on line 12?()
A

final

B

static

C

native

D

public

E

private

F

abstract

G

protected


参考解析

解析: 暂无解析

相关考题:

10. class Foo {  11. static void alpha() { /* more code here */ }  12. void beta() { /* more code here */ }  13. }  Which two are true?()A、 Foo.beta() is a valid invocation of beta().B、 Foo.alpha() is a valid invocation of alpha().C、 Method beta() can directly call method alpha().D、 Method alpha() can directly call method beta().

class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()A、 int foo() { /* more code here */ }B、 void foo() { /* more code here */ }C、 public void foo() { /* more code here */ }D、 private void foo() { /* more code here */ }E、 protected void foo() { /* more code here */ }

10. public class Bar {  11.static void foo(int...x) {  12. // insert code here  13. }  14. }  Which two code fragments, inserted independently at line 12, will allow the class to compile?()A、 foreach(x) System.out.println(z);B、 for(int z : x) System.out.println(z);C、 while( x.hasNext()) System.out.println( x.next());D、 for( int i=0; i x.length; i++ ) System.out.println(x[i]);

10. class Line {  11. public static class Point { }  12. }  13.  14. class Triangle {  15. // insert code here  16. }  Which code, inserted at line 15, creates an instance of the Point class defined in Line?() A、 Point p = new Point();B、 Line.Point p = new Line.Point();C、 The Point class cannot be instatiated at line 15.D、 Line 1 = new Line() ; 1.Point p = new 1.Point();

1. class Super {  2. private int a;  3. protected Super(int a) { this.a = a; }  4. }  .....  11. class Sub extends Super {  12. public Sub(int a) { super(a); }  13. public Sub() { this.a= 5; }  14. }  Which two, independently, will allow Sub to compile?()A、 Change line 2 to: public int a;B、 Change line 2 to: protected int a;C、 Change line 13 to: public Sub() { this(5); }D、 Change line 13 to: public Sub() { super(5); }E、 Change line 13 to: public Sub() { super(a); }

10. interface Foo { int bar(); }  11. public class Sprite {  12. public int fubar( Foo foo) { return foo.bar(); }  13. public void testFoo() {  14. fubar(  15. // insert code here  16.);  17. }  18. }  Which code, inserted at line 15, allows the class Sprite to compile?() A、 Foo { public int bar() { return 1; } }B、 new Foo { public int bar() { return 1; } }C、 newFoo() { public int bar(){return 1; } }D、 new class Foo { public int bar() { return 1; } }

11. public class Counter {  12. public static void main(String[] args) {  13. int numArgs = /* insert code here */;  14. }  15. }  and the command line: java Counter one fred 42 Which code, inserted at line 13, captures the number of arguments passed into the program?() A、 args.countB、 args.lengthC、 args.count()D、 args.length()E、 args.getLength()

10. class Nav{  11. public enum Direction { NORTH, SOUTH, EAST, WEST }  12. }  13. public class Sprite{  14. // insert code here  15. }  Which code, inserted at line 14, allows the Sprite class to compile?() A、 Direction d = NORTH;B、 Nav.Direction d = NORTH;C、 Direction d = Direction.NORTH;D、 Nav.Direction d = Nav.Direction.NORTH;

11. public interface Status {  12. /* insert code here */ int MY_VALUE = 10;  13. }  Which three are valid on line 12?()A、 finalB、 staticC、 nativeD、 publicE、 privateF、 abstractG、 protected

10. public class Foo implements java.io.Serializable {  11. private int x;  12. public int getX() { return x; }  12.publicFoo(int x){this.x=x; }  13. private void writeObject( ObjectOutputStream s)  14. throws IOException {  15. // insert code here  16. }  17. }  Which code fragment, inserted at line 15, will allow Foo objects to be correctly serialized and deserialized?() A、 s.writeInt(x);B、 s.serialize(x);C、 s.writeObject(x);D、 s.defaultWriteObject();

11. double input = 314159.26;  12. NumberFormat nf= NumberFormat.getInstance(Locale.ITALIAN);  13. String b;  14. //insert code here  Which code, inserted at line 14, sets the value of b to 3 14.159,26?() A、 b = nf.parse( input);B、 b = nf.format( input);C、 b = nf.equals( input);D、 b = nf.parseObject( input);

10. interface Foo {}  11. class Alpha implements Foo {}  12. class Beta extends Alpha {}  13. class Delta extends Beta {  14. public static void main( String[] args) {  15. Beta x = new Beta();  16. // insert code here  17. }  18. }  Which code, inserted at line 16, will cause a java.lang.ClassCastException?() A、 Alpha a = x;B、 Foo f= (Delta)x;C、 Foo f= (Alpha)x;D、 Beta b = (Beta)(Alpha)x;

11. rbo = new ReallyBigObject();  12. // more code here  13. rbo = null;  14. /* insert code here */  Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the object rbo?() A、 System.gc();B、 Runtime.gc();C、 System.freeMemory();D、 Runtime.getRuntime().growHeap();E、 Runtime.getRuntime().freeMemory();

10. class Line {  11. public class Point { public int x,y; }  12. public Point getPoint() { return new Point(); }  13. }  14. class Triangle {  15. public Triangle() {  16. // insert code here  17. }  18. }  Which code, inserted at line 16, correctly retrieves a local instance of a Point object?() A、 Point p = Line.getPoint();B、 Line.Point p = Line.getPoint();C、 Point p = (new Line()).getPoint();D、 Line.Point p = (new Line()).getPoint();

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?()A、 public void foo() { /* more code here */ }B、 private void foo() { /* more code here */ }C、 protected void foo() { /* more code here */ }D、 int foo() { /* more code here */ }  E、 void foo() { /* more code here */ }

Given 11.public interface Status { 12./* insert code here */ int MY_VALUE = 10; 13.} Which three are valid on line 12?()A、finalB、staticC、nativeD、publicE、private

多选题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?()Apublic void foo() { /* more code here */ }Bprivate void foo() { /* more code here */ }Cprotected void foo() { /* more code here */ }Dint foo() { /* more code here */ }Evoid foo() { /* more code here */ }

单选题10. interface Foo {}  11. class Alpha implements Foo {}  12. class Beta extends Alpha {}  13. class Delta extends Beta {  14. public static void main( String[] args) {  15. Beta x = new Beta();  16. // insert code here  17. }  18. }  Which code, inserted at line 16, will cause a java.lang.ClassCastException?()A Alpha a = x;B Foo f= (Delta)x;C Foo f= (Alpha)x;D Beta b = (Beta)(Alpha)x;

单选题11. public class Counter {  12. public static void main(String[] args) {  13. int numArgs = /* insert code here */;  14. }  15. }  and the command line: java Counter one fred 42 Which code, inserted at line 13, captures the number of arguments passed into the program?()A args.countB args.lengthC args.count()D args.length()E args.getLength()

多选题1. class Super {  2. private int a;  3. protected Super(int a) { this.a = a; }  4. }  .....  11. class Sub extends Super {  12. public Sub(int a) { super(a); }  13. public Sub() { this.a= 5; }  14. }  Which two, independently, will allow Sub to compile?()AChange line 2 to: public int a;BChange line 2 to: protected int a;CChange line 13 to: public Sub() { this(5); }DChange line 13 to: public Sub() { super(5); }EChange line 13 to: public Sub() { super(a); }

单选题11. rbo = new ReallyBigObject();  12. // more code here  13. rbo = null;  14. /* insert code here */  Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the object rbo?()A System.gc();B Runtime.gc();C System.freeMemory();D Runtime.getRuntime().growHeap();E Runtime.getRuntime().freeMemory();

多选题Given:   11. // insert code here   12. private N min, max;   13. public N getMin() { return min; }   14. public N getMax() { return max; }   15. public void add(N added) {   16. if (min == null || added.doubleValue()  max.doubleValue())  19. max = added;   20. }   21. }   Which two, inserted at line 11, will allow the code to compile?()AABBCCDDEEFF

多选题Given 11.public interface Status { 12./* insert code here */ int MY_VALUE = 10; 13.} Which three are valid on line 12?()AfinalBstaticCnativeDpublicEprivate

单选题10. class Line {  11. public class Point { public int x,y; }  12. public Point getPoint() { return new Point(); }  13. }  14. class Triangle {  15. public Triangle() {  16. // insert code here  17. }  18. }  Which code, inserted at line 16, correctly retrieves a local instance of a Point object?()A Point p = Line.getPoint();B Line.Point p = Line.getPoint();C Point p = (new Line()).getPoint();D Line.Point p = (new Line()).getPoint();

单选题10. class Line {  11. public static class Point { }  12. }  13.  14. class Triangle {  15. // insert code here  16. }  Which code, inserted at line 15, creates an instance of the Point class defined in Line?()A Point p = new Point();B Line.Point p = new Line.Point();C The Point class cannot be instatiated at line 15.D Line 1 = new Line() ; 1.Point p = new 1.Point();

多选题10. public class Bar {  11.static void foo(int...x) {  12. // insert code here  13. }  14. }  Which two code fragments, inserted independently at line 12, will allow the class to compile?()Aforeach(x) System.out.println(z);Bfor(int z : x) System.out.println(z);Cwhile( x.hasNext()) System.out.println( x.next());Dfor( int i=0; i x.length; i++ ) System.out.println(x[i]);

多选题11. public interface Status {  12. /* insert code here */ int MY_VALUE = 10;  13. }  Which three are valid on line 12?()AfinalBstaticCnativeDpublicEprivateFabstractGprotected

多选题10. class Foo {  11. static void alpha() { /* more code here */ }  12. void beta() { /* more code here */ }  13. }  Which two are true?()AFoo.beta() is a valid invocation of beta().BFoo.alpha() is a valid invocation of alpha().CMethod beta() can directly call method alpha().DMethod alpha() can directly call method beta().