30.请写出程序的运行结果。 class SuperCa { int x; SuperCa() { x = 5; S
2023-12-01Java
30.请写出程序的运行结果。 class SuperCa { int x; SuperCa() { x = 5; System.out.println("SuperCa x=" + x); } void doCa() { System.out.println("SuperCa.doCa()"); } } class SubCa extends SuperCa { int x; SubCa() { super(); x = 8; } void doCa() { System.out.println("super.x=" + super.x); } } public class exec { public static void main(String args[]) { SubCa y1 = new SubCa(); y1.doCa(); } } SuperCa x=5 super.x=5
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