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break statement

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continue statement
break statement
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switch statement
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zu beenden .
Verwendet werden, wenn es sonst umständlich ist, um die Schleife mit der Bedingung, Ausdruck und bedingte Anweisungen zu beenden .
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Used when it is otherwise awkward to terminate the loop using the condition expression and conditional statements.
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Inhaltsverzeichnis

[Bearbeiten] Syntax

break

[Bearbeiten] Erklärung

Nach dieser Aussage wird die Steuerung an die Anweisung unmittelbar nach der umgebenden Schleife übertragen. Alle automatischen Speicherung Objekte im umgebenden Schleife deklariert werden vor der Ausführung der ersten Zeile nach dem umgebenden Schleife zerstört .
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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[Bearbeiten] Keywords

break

[Bearbeiten] Beispiel

#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 << " ";
        }
    }
}

Output:

2345
00 01 10 11