单项选择题X 纠错
A. Ex0 caught
B. exception caught
C. Compilation fails because of an error at line 2.
D. Compilation fails because of an error at line 6.
你可能喜欢
单项选择题
A. public
B. private
C. protected
D. transient
E. default access
单项选择题
A. ABCD
B. Compilation fails.
C. C is printed before exiting with an error message.
D. BC is printed before exiting with an error message.
E. BCD is printed before exiting with an error message.
多项选择题
A. public void aMethod() {}
B. private void aMethod() {}
C. public void aMethod(String s) {}
D. private Y aMethod() { return null; }
E. public X aMethod() { return new Y(); }
单项选择题
A. assert (!(map.contains(x))); map.add(x);
B. if (x > 0){}else { assert (x==0); }
C. public void aMethod(int x) { assert (x > 0); }
D. assert (invariantCondition()); return retval;
E. switch (x) { case 1: break; case 2: creak; default: assert (x == 0);
单项选择题
A. i = 6 and j = 5
B. i = 5 and j = 5
C. i = 6 and j = 4
D. i = 5 and j = 6
E. i = 6 and j = 6
单项选择题
A. 0
B. 1
C. 2
D. Compilation fails.
多项选择题
A. There are no instanced of A that will become eligible for garbage collection.
B. Explicitly setting myA to null marks that instance to be eligible for garbage collection.
C. Any call on tryIt() causes the private instance of A to be marked for garbage collection.
D. Private instances of A become eligible for garbage collection when instances of Alpha become eligible for garbage collection.
单项选择题
A. 0
B. 2
C. 4
D. 6
E. 9
F. 13
多项选择题
A. i = 1, j = 0
B. i = 1, j = 4
C. i = 3, j = 4
D. i = 3, j = 0
E. Compilation fails.
单项选择题
A. If a is true and b is true then the output is “A&&B”.
B. If a is true and b is false then the output is “notB”.
C. If a is false and b is true then the output is “ELSE”.
D. If a is false and b is false then the output is “ELSE”.