break statement
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同封の原因for、whileまたは<div class="t-tr-text">これは、do-while
終了するループまたはOriginal:
do-while
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文を切り替える
.Original:
switch statement
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Original:
Causes the enclosing for, while or
これは、do-while
loop or Original:
do-while
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文を切り替える</div> to terminate.
Original:
switch statement
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それが条件式と条件ステートメントを使用してループを終了するそうでなければ、まずいですときに使用される.
Original:
Used when it is otherwise awkward to terminate the loop using the condition expression and conditional statements.
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目次 |
[編集] 構文
break
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[編集] 説明
このステートメントの後直ちに制御が外側のループの次の文に移される。ループを囲んで宣言されたすべての自動ストレージ·オブジェクトは、外側のループの後の最初の行が実行される前に破棄され.
Original:
After this statement the control is transferred to the statement immediately following the enclosing loop. All automatic storage objects declared in enclosing loop are destroyed before the execution of the first line following the enclosing loop.
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[編集] キーワード
[編集] 例
このコードを実行します
#include <iostream> int main() { int i = 2; switch (i) { case 1: std::cout << "1"; case 2: std::cout << "2"; //execution starts at this case label case 3: std::cout << "3"; case 4: case 5: std::cout << "45"; break; //execution of subsequent statements is terminated case 6: std::cout << "6"; } std::cout << '\n'; for (int j = 0; j < 2; j++) { for (int k = 0; k < 5; k++) { //only this loop is affected by break if (k == 2) break; std::cout << j << k << " "; } } }
出力:
2345 00 01 10 11