ArrayDeque<char> pass_raw = new ArrayDeque<char>();
static public void stackUpper(ArrayDeque<char> pass) {
if (pass.getLast() == 'A') {
pass.addLast('B');
} else {
pass.addLast('A');
}
}
Main.java:5: error: unexpected type
public static void stackUpper(ArrayDeque<char> pass) {
^
required: reference
found: char
Main.java:39: error: unexpected type
ArrayDeque<char> pass_raw = new ArrayDeque<char>();
^
required: reference
found: char
Main.java:39: error: unexpected type
ArrayDeque<char> pass_raw = new ArrayDeque<char>();
^
required: reference
found: char
Find more questions by tags Java