多项选择题
Which of the following statements about declaration are true?()
A. Declaration of primitive types such as boolean, byte and so on does not allocate memory space for the variable.
B. Declaration of primitive types such as boolean, byte and so on allocates memory space for the variable.
C. Declaration of nonprimitive types such as String, Vector and so on does not allocate memory space for the object.
D. Declaration of nonprimitive types such as String, Vector ans so on allocates memory space for the object.
相关考题
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单项选择题
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?()
A. The value is 8
B. The value is 9
C. The value is 10
D. The value is 11 -
多项选择题
public void test() { try { oneMethod(); System.out.println("condition 1"); } catch (ArrayIndexOutOfBoundsException e) { System.out.println("condition 2"); } catch(Exception e) { System.out.println("condition 3"); } finally { System.out.println("finally"); } } Which will display if oneMethod run normally?()
A. condition 1
B. condition 2
C. condition 3
D. finally -
多项选择题
Whichofthefollowingstatementsaboutvariablesandtheirscopesaretrue?()
A. Instance variables are member variables of a class.
B. Instance variables are declared with the static keyword.
C. Local variables defined inside a method are created when the method is executed.
D. Local variables must be initialized before they are used.
