Which statement is true about the objects referenced by snoog， snooch， and booch immediately after line 23 executes？（）
A.None of these objects are eligible for garbage collection.
B.Only the object referenced by booth is eligible for garbage collection.
C.Only the object referenced by snoog is eligible for garbage collection.
D.Only the object referenced by snooch is eligible for garbage collection.
E.The objects referenced by snooch and booth are eligible for garbage collection.
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Which three code fragments， added individually at line 29， produce the output 100？（）
A.n = 100；
B.i.setX（100）；
C.o.getY（）.setX（100）；
D.i = new Inner（）； i.setX（100）；
E.o.setY（i）； i = new Inner（）； i.setX（100）；
F.i = new Inner（）； i.setX（100）； o.setY（i）；
Given classes defined in two different files：
What is required at line 5 in class SomeApp to use the process method of BitUtils？（）
A.process（bytes）；
B.BitUtils.process（bytes）；
C.util.BitUtils.process（bytes）；
D.SomeApp cannot use methods in BitUtils.
E.import util.BitUtils.*； process（bytes）；
What is the result？（）
A.Compilation of class A fails.
B.Line 28 prints the value 3 to System.out.
C.Line 28 prints the value 1 to System.out.
D.A runtime error occurs when line 25 executes.
E.Compilation fails because of an error on line 28.
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 l = new Line（）； l.Point p = new l.Point（）；
What is the result？（）
A.Mr. John Doe
B.An exception is thrown at runtime.
C.Compilation fails because of an error in line 12.
D.Compilation fails because of an error in line 15.
E.Compilation fails because of an error in line 20.
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.new Foo（）{public int bar（）{return 1；}}
D.new class Foo{public int bar（）{return 1；}}
Given：
package com.sun.scjp；
public class Geodetics {
public static final double DIAMETER = 12756.32； //kilometers
}
Which two correctly access the DIAMETER member of the Geodetics class？（）
A.A
B.B
C.C
D.D
What is the result？（）
A.12，4
B.The code runs with no output.
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 21.
E.Compilation fails because of an error in line 22.
F.Compilation fails because of an error in line 31.
When line 14 is reached， how many objects are eligible for the garbage collector？（）
A.0
B.1
C.2
D.3
E.4
F.6
Which code should be inserted at line 1 of Demo.java to compile and run Demo toprint "pizzapizza"？（）
A.import utils.*；
B.static import utils.*；
C.import utils.Repetition.*；
D.static import utils.Repetition.*；
E.import utils.Repetition.twice（）；
F.import static utils.Repetition.twice；
G.static import utils.Repetition.twice；
最新试题
Given that Triangle implements Runnable， and：Which two statements， inserted independently at both lines 35 and 41， tend to allow both threads to temporarily pause and allow the other thread to execute？（）
A programmer is developing a class Key， that will be used as a key in a standard java.util.HashMap. Which two methods should be overridden to assure that Key works correctly as a key？（）
Which statement is true about the set variable on line 12？（）
Which statement is true？（）
What is the result？（）
Which statement is true？（）
Which three will compile and run without exception？（）
What is the output if the main() method is run？（）
Which two are possible results？（）
Given a class whose instances， when found in a collection of objects， are sorted by using the compareTo（） method， which two statements are true？（）