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在D編程中,嵌套if-else語句意味著您可以在另一個if或else if語句中使用一個if或else if語句。
嵌套if語句的語法如下所示:-
if( boolean_expression 1) {
/* Executes when the boolean expression 1 is true */
if(boolean_expression 2) {
/* Executes when the boolean expression 2 is true */
}
}
import std.stdio;
int main () {
/* local variable definition */
int a=100;
int b=200;
/* check the boolean condition */
if( a == 100 ) {
/* if condition is true then check the following */
if( b == 200 ) {
/* if condition is true then print the following */
writefln("Value of a is 100 and b is 200" );
}
}
writefln("Exact value of a is : %d", a );
writefln("Exact value of b is : %d", b );
return 0;
}
編譯并執(zhí)行上述代碼時,將生成以下結果-
Value of a is 100 and b is 200
Exact value of a is : 100
Exact value of b is : 200
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