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How to remove spaces from a given string?

How to remove spaces from a given string?


  1. public class removeWhiteSpace {
  2. public static void main(String[] args) {
  3. String str1=”Remove white spaces”;
  4. //Removes the white spaces using regex.
  5. str1 = str1.replaceAll(“\\s+”, “”);
  6. System.out.println(“String after removing all the white spaces : ” + str1);
  7. }
  8. }

What is $$ in assembly?

$ is used to refer to the current address and $$ is used to refer to the address of the start of current section in assembly.

Where are strings 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), êx to get the 3rd character, if rsi points to the start of the string.

Which function is used to remove whitespace from the string?

trim() function
The trim() function removes whitespace and other predefined characters from both sides of a string.

How do I ignore spaces in Scanf?

scanf(“%*[ ]”) : skip initial whitespace, if any (requested format: non empty sequence of spaces, without storing it in a variable), ignoring the result.

What is Lea command in assembly?

lea — Load effective address. The lea instruction places the address specified by its first operand into the register specified by its second operand. Note, the contents of the memory location are not loaded, only the effective address is computed and placed into the register.

What is assembly language syntax?

Programs written in assembly language consist of a sequence of source statements. Each source statement consists of a sequence of ASCII characters ending with a carriage return.

How do strings work in assembly?

String Instructions

  1. MOVS − This instruction moves 1 Byte, Word or Doubleword of data from memory location to another.
  2. LODS − This instruction loads from memory.
  3. STOS − This instruction stores data from register (AL, AX, or EAX) to memory.
  4. CMPS − This instruction compares two data items in memory.

How are strings represented in assembly?

A string is represented as an array of char. For example, if I have a string “abcdef” at address 0x80000000, is the following correct? That’s not assembly, that’s just a memory dump.

What is the code to be used to trim whitespace?

str.trimRight() str. trimRight() method is used to remove the white spaces from the end of the given string.