Line16
Line17
Line18
Line19
The object is NOT a candidate for garbage collection.
第1题:
11.public void genNumbers(){12.ArrayList numbers=new ArrayList();13.for(inti=0;i14.intvalue=i*((int)Math.random());15.IntegerintObj=newInteger(value);16.numbers.add(intObj);17.}18.System.out.println(numbers);19.}Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbagec ollection?()
A.Line16
B.Line17
C.Line18
D.Line19
E.The object is NOT a candidate for garbage collection.
第2题:
Given:11.publicvoidgenNumbers(){12.ArrayListnumbers=newArrayList();13.for(inti=0;i<10;i++){14.intvalue=i*((int)Math.random());15.IntegerintObj=newInteger(value);16.numbers.add(intObj);17.}18.System.out.println(numbers);19.}WhichlineofcodemarkstheearliestpointthatanobjectreferencedbyintObjbecomesacandidateforgarbagecollection?()
A.Line19
B.TheobjectisNOTacandidateforgarbagecollection.
C.Line17
D.Line16
E.Line18
第3题:
若有以下程序: void g(int **q) { (**q) ++; (*q) ++; } void main() { int line [5]; int *p=line; for (i=0; i<5; i++) { *p=i; g(&P); } for (i=0; i<5; i++) cout<<line[i]; cout<<end1; } 该程序运行后的输出结果为( )。
A.12345
B.1234
C.11111
D.55555
第4题:
ArraryList a = new ArrayList(); a.add(“Alpha”); a.add(“Bravo”): a.add(“Charlie”); a.add(“Delta”); Iterator iter = a.iterator(); Which two, added at line 17, print the names in the ArrayList in alphabetical order?()
第5题:
11. public void genNumbers() { 12. ArrayList numbers = new ArrayList(); 13. for (int i=0; i<10; i++) { 14. int value = i * ((int) Math.random()); 15. Integer intObj = new Integer(value); 16. numbers.add(intObj); 17. } 18. System.out.println(numbers); 19. } Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection?()
第6题:
import java.util.*; public class NameList { private List names = new ArrayList(); public synchronized void add(String name) { names.add(name); } public synchronized void printAll() { for (int i = 0; i
第7题:
Consider the following class: class Test(int i) { void test(int i) { System.out.println(“I am an int.”); } void test(String s) { System.out.println(“I am a string.”); } public static void main(String args) { Test t=new Test(); char ch=“y”; t.test(ch); } } Which of the statements below is true?()
第8题:
MY_ARRAY = new Array();<% for ( int i = 0; i < serverArray.length; i++ ) { MY_ARRAY[<%= i %>] = ’<%= serverArray[i] %>’;} %>
MY_ARRAY = new Array();. <% for ( int i = 0; i < serverArray.length; i++ ) { . MY_ARRAY[${i}] = ’${serverArray[i]}’;. } %>
MY_ARRAY = new Array();. <% for ( int i = 0; i < serverArray.length; i++ ) { %> . MY_ARRAY[<%= i %>] = ’<%= serverArray[i] %>’;. <% } %>
MY_ARRAY = new Array();<% for ( int i = 0; i < serverArray.length; i++ ) { %> . MY_ARRAY[${i}] = ’${serverArray[i]}’;. <% } %>
第9题:
final
static
native
public
private
第10题:
for (int i=0; i< a.size(); i++) System.out.println(a.get(i)));
for (int i=0; i< a.size(); i++) System.out.println(a[i]);
while( iter.hasNext() ) System.out.println(iter.next()) ;
for (int i=0, i< a.size(); i++) System.out.println(iter[i]);
for (int i=0; i< a.size(); i++) System.out.println(iter.get(i));
第11题:
Line 5 will not compile, because void methods cannot be overridden.
Line 12 will not compile, because there is no version of test() that rakes a charargument.
The code will compile but will throw an exception at line 12.
The code will compile and produce the following output: I am an int.
The code will compile and produce the following output: I am a String.
第12题:
The value is 8
The value is 9
The value is 10
The value is 11
第13题:
11.publicvoidgenNumbers(){12.ArrayListnumbers=newArrayList();13.for(inti=0;i<10;i++){14.intvalue=i*((int)Math.random());15.IntegerintObj=newInteger(value);16.numbers.add(intObj);17.}18.System.out.println(numbers);19.}WhichlineofcodemarkstheearliestpointthatanobjectreferencedbyintObjbecomesacandidateforgarbagecollection?()
A.Line16
B.Line17
C.Line18
D.Line19
E.TheobjectisNOTacandidateforgarbagecollection.
第14题:
为使下列代码正常运行,应该在下画线处填入的选项是( )。 int[]numbers=new int[n]; for(int i=0;i<numbers. ;i++) numbers[i]=i+1:
A.size
B.length
C.dimension
D.measurement
第15题:
11.public void genNumbers(){ 12.ArrayList numbers=new ArrayList(); 13.for(inti=0;i<10;i++){ 14.intvalue=i*((int)Math.random()); 15.IntegerintObj=newInteger(value); 16.numbers.add(intObj); 17.} 18.System.out.println(numbers); 19.} Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbagec ollection?()
第16题:
You need to create a JSP that generates some JavaScript code to populate an array of strings used on theclient-side. Which JSP code snippet will create this array?()
第17题:
Given the following code: 1) public void modify() { 2) int i, j, k; 3) i = 100; 4) while ( i > 0 ) { 5) j = i * 2; 6) System.out.println (" The value of j is " + j ); 7) k = k + 1; 8) i--; 9) } 10) } Which line might cause an error during compilation?()
第18题:
Given the following code: public class Test { void printValue(int m){ do { System.out.println("The value is"+m); } while( --m > 10 ) } public static void main(String arg[]) { int i=10; Test t= new Test(); t.printValue(i); } } Which will be output?()
第19题:
public class TestFive { private int x; public void foo() { int current = x; x = current + 1; } public void go() { for(int i=0;i<5;i++) { new Thread() { public void run() { foo(); System.out.print(x + “, “); } }.start(); }}} Which two changes, taken together, would guarantee the output: 1, 2, 3, 4, 5, ?()
第20题:
public void DoWork();
public void DoWork(int nCounter);
public void DoWork(object oCounter);
public void DoWork(Delegate oCounter);
第21题:
Line 19
The object is NOT a candidate for garbage collection.
Line 17
Line 16
Line 18
第22题:
size
length
dimension
measurement
第23题:
0 1 2 3 4 5
1 2 3 4 5 6
-1 0 1 2 3 4
0 1 2 3 4