java remove whitespace from beginning of string code example

Example 1: how to remove all whitespace from string java

st = st.replaceAll("\\s+","")

Example 2: Which method in an be used to remove any whitespace from both the beginning and the end of a string?

str = "hello "
print(str.trim())

Example 3: remove spaces at beginning and end of string java

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