Which three are bad practices?
Given:What code should be inserted?
Given:class X {}class Y { Y ( ) { } }class Z { Z (int i ) { } }Which class has a default constructor?
Given:Which two declarations will compile?
Given the code fragment:What values of x, y, z will produce the following result?1 2 3 41 2 3 41 2 3 4----1 2 3 4----
Given the code fragment:What is the result?