【单选题】阅读以下程序,下列选项错误的是( )public class xClass{ private int u; private double w; public xClass(){ } public xClass(int a, double b){ }private void func(){ }public void print(){ }}
【单选题】阅读以下程序,下列选项错误的是( ) public class xClass { private int u; private double w; public xClass() { } public xClass(int a, double b) { } private void func() { } public void prin...