(c) Give the value of the variable answer in each of assignment statement in the C++ code shown in Figure 3 below. Assume the lines are executed sequentially and the address of the testArr array is 2232. char testArr[5] = {'A', 'C', 'E'}; char *ptr = &testArr[0]; char answer; answer = testArr[0]; answer = *(testArr + 2); answer = *(ptr + 1); answer = *ptr; ptr = testArr + 1; answer = *ptr; answer = *(testArr + 1); ptr = testArr; answer = *++ptr; answer = ++*ptr; answer = *ptr++; answer = *ptr; Figure 3: Program Segment 3 (d) State THREE (3) benefits of using pointers in a program.

(c) Give the value of the variable answer in each of assignment statement in the C++ code shown in Figure 3 below. Assume the lines are executed sequentially and the address of the testArr array is 2232. char testArr[5] = {'A', 'C', 'E'}; char ptr = &testArr[0]; char answer; answer = testArr[0]; answer = (testArr + 2); answer = (ptr + 1); answer = ptr; ptr = testArr + 1; answer = ptr; answer = (testArr + 1); ptr = testArr; answer = ++ptr; answer = ++ptr; answer = ptr++; answer = ptr; Figure 3: Program Segment 3 (d) State THREE (3) benefits of using pointers in a program.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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