38 lines
489 B
Markdown
38 lines
489 B
Markdown
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---
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parents:
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- "[[Вопросы для собеседование Java]]"
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---
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```java
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public class Train {
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public static void main() {
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println(null);
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}
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private static void println(Parent o) {
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System.out.println(o);
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}
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private static void println(Child o) {
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System.out.println(o);
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}
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private static void println(Object o) {
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System.out.println(o);
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}
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}
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class Parent {
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}
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class Child extends Parent {
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}
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```
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%%
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null
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%%
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