java remove space at the end of string code example

Example 1: java 8 remove spaces from string

a.replaceAll("\\s+","");

Example 2: remove spaces at beginning and end of string java

String withSpaces = "  Hi  ";
String withoutSpaces = withSpaces.trim();

Example 3: java remove space at the end of string

String str = "Hello ";
System.out.println(str.trim()); // "Hello"