Conditional Statements

Q

What will happen in these three cases?

if (a=0) {
   //somecode
}
if (a==0) {
   //do something
}
if (a===0) {
   //do something
}

✍: FYIcenter

A

(This question has not been answered yet. If you know the answer, please share it in a comment below.)

2007-02-26, 7025👍, 0💬

What does static variable mean
What does static variable mean? There are 3 main uses for static variables: If you declare within a function, it retains the value between function calls. If it is declared for a function name, by default function is extern. So it will be visible from other files. If the function declaration is as s... 2007-02-26, 7467👍, 0💬

Storage Classes
What are the different storage classes in C? C has three types of storage: automatic, static and allocated. Variable having block scope and without static specifier have automatic storage duration. Variables with block scope, and with static specifier have static scope. Global variables (i.e, file s... 2007-02-26, 7462👍, 0💬

Constants
WHat will be the result of the following code? #define TRUE 0 // some code while (TRUE) { // some code } Answer: This will not go into the loop as TRUE is defined as 0. 2007-02-26, 7335👍, 0💬

Function Calls
What will be printed as the resultof the operation below: int x; int modifyvalue() { return(x+=10); } int changevalue(int x) { return(x+=1); } void main() { int x=10; x++; changevalue(x); x++; modifyvalue(); printf("First output:%d\n",x); x++; changevalue(x); printf("Second output:%d\n",x); modifyva... 2007-02-26, 7225👍, 0💬

Strings vs. Character Arrays
What is the difference between strings and character arrays? A major difference is: string will have static storage duration, whereas as a character array will not, unless it is explicity specified by using the static keyword. Actually, a string is a character array with following properties: * the ... 2007-02-26, 7211👍, 0💬

Incremental Operatiors
What will be printed as the result of the operation below: main() { int x=10, y=15; x = x++; y = ++y; printf("%d %d\n",x,y); } Answer: 11, 16 2007-02-26, 7203👍, 0💬

Conditional Statements
What will be printed as the result of the operation below: main() { int a=0; if (a==0) printf("Cisco Systems\n"); printf("Cisco Systems\n"); } Answer: Two lines with "Cisco Systems" will be printed. 2007-02-26, 7125👍, 0💬

Conditional Statements
What will happen in these three cases? if (a=0) { //somecode } if (a==0) { //do something } if (a===0) { //do something } 2007-02-26, 7026👍, 0💬

Variable Types
What are the types of variables x, y, y and u defined in the following code? #define Atype int* typedef int *p; p x, z; Atype y, u; Answer: x and z are pointers to int. y is a pointer to int but u is just an integer variable 2007-02-26, 6911👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.