下列程序中的输出显示结果是什么? class co i public Co(int x)t System. out. printIn ( co"+x) CoO ( System. out printIn(co): class c1 extends Cot public C1(int x)( System. out. printIn(c1+X) public static void main (String argsDt new C1(1)下列程序中的输出显示结果是什么？ class C0 { public C0(int x) { System.out.println("C0"+x); } C0() {System.out.println("C0");} } class C1 extends C0{ public C1(int x) { System.out.println("C1"+x); } public static void main (String args[]) { new C1(1); } }