48 lines
1013 B
Markdown
48 lines
1013 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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private static void show(boolean flag, int experience) {
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if (flag) {
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experience = 1;
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}
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IntStream
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.range(0, experience)
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.forEach(i -> System.out.println(experience + i));
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}
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```
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%%
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```java
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package dev.struchkov.example;
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public class Main {
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public static void main(String[] args) {
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Main application = new Main();
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final Displaying displaying = application.calculate(2, 3, Operation.ADD);
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displaying.show();
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}
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public Displaying calculate(int a, int b, Operation operation) {
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int result = 0;
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switch (operation) {
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case ADD -> result = a + b;
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case SUB -> result = a - b;
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}
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return () -> System.out.println(result);
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}
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}
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interface Displaying {
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void show();
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}
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enum Operation {
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ADD, SUB
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}
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```
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Variable used in lambda expression should be final or effectively final
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%%
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