JAVA模拟题:TestoftheJavaSkill(2)
Question 9:
// Start For loop
public class Lin{
Lin l = new Lin();
}
public void amethod(){
// Start For loop
ia[i] = i;
}
}
A. for(int i=0; i
B. for (int i=0; i
C. for(int i=0; i< 4; i++)
D. for(int i=0; i
Question 10:
Integer s = new Integer(9);
Long u = new Long(9);
A. (s==u)
B. (s==t)
C. (s.equals(t))
D. (s.equals(9))
E. (s.equals(new Integer(9))
Question 11:
A. Vector v = new Vector(99);
B. Vector v = new Vector();
C. Vector v = new Vector();
D. Vector v = new Vector(100);
Question 12:
class Base{
System.out.println("Base.amethod");
}
class Over extends Base{
Over o = new Over();
o.amethod(iBase);
public void amethod(int iOver){
}
A. Compile time error complaining that Base.amethod is private
B. Runtime error complaining that Base.amethod is private
C. Output of Base.amethod
D. Output of Over.amethod |||
Question 13:
public class MyClass
amethod(arguments);
public void amethod(String arguments)
System.out.println(arguments[1]);
}
A. Error can't make static reference to void amethod
B. Error method main not correct
C. Error array must include parameter
D. Error amethod must be declared with String
Question 14:
A. mid(2,s);
B. charAt(2);
C. s.indexOf('v');
D. indexOf(s,'v');
Question 15:
public class Bground extends Thread{
public static void main(String argv){
b.run();
public void start(){
System.out.println("Value of i=" + i);
}
A. A compile time error indicating that no run method is defined for the Thread class
B. A run time error indicating that no run method is defined for the Thread class
C. Clean compile and at run time the values 0 to 9 are printed out
D. Clean compile but no output at runtime
Question 16:
public class MyClass{
public static void main(String argv){
}
A. Error Variable i may out have been initialized
B. null
C. 1
D. 0(CN-JAVA)
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