how to remove all whitespace from string java
st = st.replaceAll("\\s+","")how to remove all whitespace from string java
st = st.replaceAll("\\s+","")java 8 remove spaces from string
a.replaceAll("\\s+","");java remove space at the end of string
String str = "Hello ";
System.out.println(str.trim()); // "Hello"remove extra blank spaces from string in java
import java.util.Scanner;
class RemoveExtraSpace{ //starting of class
public static void main(String[] args){ //starting of the main function
Scanner sc=new Scanner(System.in); //declaring an object of the Scanner class
String input,output="";
char c;
int i,len;
System.out.println("ENTER A SENTENCE.");
input=sc.nextLine().trim(); //accepting the input
len=input.length();
for(i=0;i<len;i++){ //outer for loop to traverse each character
c=input.charAt(i);
output+=c;
if(c==' '){
while(input.charAt(i)==' '){ //inner while loop to skip through repeated spaces
i++;
} //end of while loop
i--; //decrementing i by 1 so that the immediate character after space is taken
}
} //end of for loop
System.out.println(output); //printing the result
} //closing of main function
} //closing of classCopyright © 2021 Codeinu
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