Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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C-string
A string is a one-dimensional array of characters that can be terminated using a null character (‘\0’). The string or character array is used to manipulate the text such as words or sentences. The \0 (termination character) is the most important in the s…
Question
**Problem Statement:** Assume that the value of `p` is `0x7ffc0804`. What will be the value of `p + 3`? **Code Snippet:** ```c int values[5]; int* p = &values; ``` **Explanation:** In the given code, `p` is a pointer to an array of integers. Assuming a 32-bit system where an `int` is 4 bytes, increasing a pointer by 3 will move it forward by `3 * 4 = 12` bytes. **Calculation:** Given `p = 0x7ffc0804`, the operation `p + 3` in hexadecimal is: `0x7ffc0804 + 0x0000000C = 0x7ffc0810`. So, the value of `p + 3` will be `0x7ffc0810`.
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Transcribed Image Text:**Problem Statement:** Assume that the value of `p` is `0x7ffc0804`. What will be the value of `p + 3`? **Code Snippet:** ```c int values[5]; int* p = &values; ``` **Explanation:** In the given code, `p` is a pointer to an array of integers. Assuming a 32-bit system where an `int` is 4 bytes, increasing a pointer by 3 will move it forward by `3 * 4 = 12` bytes. **Calculation:** Given `p = 0x7ffc0804`, the operation `p + 3` in hexadecimal is: `0x7ffc0804 + 0x0000000C = 0x7ffc0810`. So, the value of `p + 3` will be `0x7ffc0810`.
**Question:** What is the return value of the code segment below? ```java __________ getArray(int size) { return new int[size]; } ``` In this code snippet, a method named `getArray` takes an integer parameter named `size`. The method returns a new integer array with the specified size. The missing return type for the method is `int[]`, indicating that the method returns an array of integers. **Explanation:** To complete the method definition, it should look like this: ```java int[] getArray(int size) { return new int[size]; } ``` This code creates and returns a new array of integers, with each element initialized to zero by default. The size of the array is determined by the `size` parameter passed to the method.
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Transcribed Image Text:**Question:** What is the return value of the code segment below? ```java __________ getArray(int size) { return new int[size]; } ``` In this code snippet, a method named `getArray` takes an integer parameter named `size`. The method returns a new integer array with the specified size. The missing return type for the method is `int[]`, indicating that the method returns an array of integers. **Explanation:** To complete the method definition, it should look like this: ```java int[] getArray(int size) { return new int[size]; } ``` This code creates and returns a new array of integers, with each element initialized to zero by default. The size of the array is determined by the `size` parameter passed to the method.
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