The third way a null pointer can be used is as a "sentinel" value. A sentinel value is a special value that marks the end of something. For example, inmain(), argv is an array of pointers. The last element in th
C programming Pointers Aptitude Questions and Answers: In this section you will find C Aptitude Questions and Answers on Pointers topics, declaring pointers, using pointers, pointer with other c topics like pointer of array etc.1) What will be the output of following program ? 1 2 3 4 5 6...
C Programming Questions and Answers – Character Pointers and Functions – 2 C Programming Questions and Answers – Pointers and Function Arguments – 1 C Programming Questions and Answers – Pointers and Addresses What are the Benefits of using C Pointers in Modular Programming? C Programming...
Following C program demonstrates how to compare two function pointers if they are equal and unequal to each other. #include <stdio.h> int retMax (int n1, int n2) { return (n1 > n2) ? n1 : n2; } int main () { //declare two function pointers int (*ptrMaxFunctin)(int, int); ...
1. Point out the compile time error in the program given below. #include<stdio.h> int main() { int *x; *x=100; return 0; } Error: invalid assignment for x Error: suspicious pointer conversion No error None of above
Array name in C language behaves like a constant pointer and represents the base address of the array. It points to the first element of the array which is located at 0th index. As array name serves like a constant pointer, it cannot be changed during the course of program execution. To...
Java: What’s the difference between equals() and ==? Find trailing zeros in factorial Java Reflection Example Bit Manipulation Interview Questions and Answers XOR in Java Java Inner Class Example When to use inner classes in Java Inner vs nested class Java Anonymous Class Example Anonymous Class...
Now for Dynamic Memory Allocation,int* dynamicPtr = new int(30); Memory is dynamically allocated usingnewand initialized to 30, Where the address of this memory is stored in the pointerdynamicPtr. ptr = dynamicPtr;in this ptr is modified to point to the dynamically allocated memory (dynamic...
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You can pass a pointer variable to a method as parameter. The following example illustrates this: using System; namespace UnsafeCodeApplication { class TestPointer { public unsafe void swap(int* p, int *q) { int temp = *p; *p = *q; ...