break statement
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Faz com que o colocando for, while ou
fazer enquanto
loop ou Original:
do-while
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declaração switch
para terminar.Original:
switch statement
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Original:
Causes the enclosing for, while or
fazer enquanto
loop or Original:
do-while
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declaração switch
to terminate.Original:
switch statement
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Usado quando a situação é diferente estranho para terminar o loop usando a expressão condição e instruções condicionais.
Original:
Used when it is otherwise awkward to terminate the loop using the condition expression and conditional statements.
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Sintaxe
break
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Explicação
Depois desta declaração, o controle é transferido para a instrução imediatamente após o ciclo de fechamento. Todos os objetos de armazenamento automático declarados em juntar circuito são destruídos antes da execução da primeira linha após o loop colocando.
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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Palavras-chave
Exemplo
#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 << " ";
}
}
}
Saída:
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