string without spaces java code example

Example 1: how to remove all whitespace from string java

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

Example 2: how to add spaces before string in java

String s = "%s Hellow World!";
    StringBuilder builder = new StringBuilder();
    for(int i=0;i<10;i++){
        builder.append(" ");
    }

    System.out.println(s.format(s,builder.toString()));