Table of Contents
- 1 What is the difference between array and string?
- 2 What is an array in assembly language?
- 3 How string is defined in assembly language?
- 4 What is the difference between array and array list?
- 5 What are the basic difference between arrays and strings in Java?
- 6 How is string stored in assembly?
- 7 What is the difference between array and linked list?
- 8 What is array in assembly language?
- 9 Are variable size arrays allowed in C?
- 10 How many characters are there in an array of strings?
What is the difference between array and string?
The main difference between an array and a string is that an array is a data structure, while a string is an object. Arrays can hold any data types, while strings hold only char data types. Arrays are mutable, while strings are not. Arrays have a fixed length, while strings do not.
What is an array in assembly language?
An array is implemented at the assembly language level by a block of memory in which the variables of the array are stored, contiguously, one right after the other. When the length value stored as well, it’s generally stored just before the beginning of the block, so that it can be easily found.
What is an array how it is differs from string explain with syntax and example?
Difference Between Array and String
| Array | String |
|---|---|
| A character in a character array can be accessed by its index in an array. | A particular character can be accessed by the function “string_name.charAt(index)”. |
| It does not define an implicit datatype. | In C++, string defines a datatype. |
How string is defined in assembly language?
String Instructions
- MOVS − This instruction moves 1 Byte, Word or Doubleword of data from memory location to another.
- LODS − This instruction loads from memory.
- STOS − This instruction stores data from register (AL, AX, or EAX) to memory.
- CMPS − This instruction compares two data items in memory.
What is the difference between array and array list?
Array is a fixed length data structure whereas ArrayList is a variable length Collection class. We cannot change length of array once created in Java but ArrayList can be changed. We cannot store primitives in ArrayList, it can only store objects. But array can contain both primitives and objects in Java.
How are arrays and strings similar?
Strings are similar to arrays with just a few differences. Usually, the array size is fixed, while strings can have a variable number of elements. Arrays can contain any data type (char short int even other arrays) while strings are usually ASCII characters terminated with a NULL (0) character.
What are the basic difference between arrays and strings in Java?
String refers to a sequence of characters represented as a single data type. Character Array is a sequential collection of data type char. Strings are immutable. Character Arrays are mutable.
How is string stored in assembly?
A string is stored as consecutive characters in memory. If it’s ASCII (not UTF-8), each character is a single byte. So you can access them one at a time with byte loads/stores, like movzbl 2(\%rsi), \%eax to get the 3rd character, if rsi points to the start of the string.
What is the advantage of using string instructions?
The advantages of Strings can be summed up as ease of use, internationalization support, and compatibility to existing interfaces. Most methods expect a String object rather than a char array, and String objects are returned by many methods. The disadvantage of Strings boils down to inflexibility.
What is the difference between array and linked list?
An array is a collection of elements of a similar data type. A linked list is a collection of objects known as a node where node consists of two parts, i.e., data and address. Array elements store in a contiguous memory location. Linked list elements can be stored anywhere in the memory or randomly stored.
What is array in assembly language?
Assembly – Arrays. We have already discussed that the data definition directives to the assembler are used for allocating storage for variables. The variable could also be initialized with some specific value. The initialized value could be specified in hexadecimal, decimal or binary form.
What is the difference between an array and a string?
The main difference between the two is that arrays can have any data type of any length while strings are usually ASCII characters that are terminated with a null character ‘\\0’. Both are very different in terms of how they are being implemented in various programming languages.
Are variable size arrays allowed in C?
Variable size arrays are not allowed in C. Once an array is allocated, it’s a fixed size. The size of a string is variable meaning it can be changed if it’s a char pointer. Strings and arrays are quite similar except the length of an array is fixed whereas strings can have a variable number of elements.
How many characters are there in an array of strings?
Each string has exactly 4 characters. Each string has some initial data like “abcd” for first string, “efgh” for second string and so on. Null \\0 character is not needed for any string. How can i initialise array of strings in assembly language? Is there some clean syntax or way? I am using nasm for 64 bit code.