what's the output?
/**
?* @author 031202
?*
?* TODO To change the template for this generated type comment go to
?* Window - Preferences - Java - Code Style - Code Templates
?*/
class Parent {
?
?class InnerClass {
??public InnerClass() {
???System.out.println("Construct parent's inner class");
??}
?}
?
?static class StaticInner {
??public StaticInner() {
???System.out.println("Construct parent's StaticInner class");
??}
?}
?
?private InnerClass i = new InnerClass();
?
?private static StaticInner s = new StaticInner();
?
?public Parent() {
??System.out.println("Construct Parent");
?}
}
public class Child extends Parent {
?class InnerClass {
??public InnerClass() {
???System.out.println("Construct child's inner class");
??}
?}
?
?static class StaticInner {
??public StaticInner() {
???System.out.println("Construct child's StaticInner class");
??}
?}
?
?private static StaticInner s = new StaticInner();
?
?private InnerClass i = new InnerClass();
?
?public Child() {
??System.out.println("Construct Child");
?}
?
?public static void main(String[] args) {
??new Child();
?}
}
answer:
Construct parent's StaticInner class
Construct child's StaticInner class
Construct parent's inner class
Construct Parent
Construct child's inner class
Construct Child
Do you really understnand? the class initialization?