int getValue() // : getValue()
{
:
}
, C++ , int. , , .
69. goto.
. (, ), .
70. 0 NULL.
NULL C C++.
6.1
71. .
for (i = 0; i < nElements; i++)
a[i] = 0;
, . 4 , . 2, 3 4 ; 2 4 .
, 1 () 2, , 3. 2.
while (!done) {
doSomething();
done = moreToDo();
}
while (!done)
{
doSomething();
done = moreToDo();
}
while (!done)
{
doSomething();
done = moreToDo();
}
3 , .
73. :
class SomeClass: public BaseClass
{
public:
...
protected:
...
private:
...
}
, .
74. :
void someMethod()
{
...
}
, .
75. if-else :
if (condition) {
statements;
}
if (condition) {
statements;
}
else {
statements;
}
if (condition) {
statements;
}
else if (condition) {
statements;
}
else {
statements;
}
, . else , , :
if (condition) {
statements;
} else {
statements;
}
if-else . , , else.
76. for :
for (initialization; condition; update) {
statements;
}
, .
77. for :
for (initialization; condition; update)
;
, . , , .
78. while :
while (condition) {
|
|
|
statements;
}
, .
79. do-while :
do {
statements;
} while (condition);
, .
80. switch :
switch (condition) {
case ABC:
statements;
// "break"
case DEF:
statements;
break;
case XYZ:
statements;
break;
default:
statements;
break;
}
, case , . . - break, . , .
81. try-catch :
try {
statements;
}
catch (Exception& exception) {
statements;
}
, . , if-else, .
82. if-else , .
if (condition)
statement;
while (condition)
statement;
for (initialization; condition; update)
statement;
.
