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Delete all whitespaces from a String in Java
To delete all whitespaces from a string, use the replaceAll() method and replace every whitespace with empty.
Let’s say the following is our string.
String str = "This is it!";
Now, let us replace the whitespaces that will eventually delete them.
String res = str.replaceAll("\s+","");Example
public class Demo {
public static void main(String []args) {
String str = "This is it!";
System.out.println("String: "+str);
String res = str.replaceAll("\s+","");
System.out.println("String after deleting whitespace: "+res);
}
}Output
String: This is it! String after deleting whitespace: Thisisit!
Updated on 27-Jun-2020 06:01:21
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