string split and append space

/* Implement loveSpace("abc") that returns "a b c" */

@Test

public static String loveSpace(String value){

if(value.length()<=0) return value;

StringBuilder sb = new StringBuilder();

char[] _value = value.toCharArray();

for(int i = 0;i<_value.length-1;i++){

sb.append(_value[i]).append(" ");

}

sb.append(_value[_value.length-1]);

return sb.toString();

}