public final class IntegerStack extends java.lang.Object
| Modifier and Type | Field and Description | 
|---|---|
| private java.util.List<java.lang.Integer> | l | 
| Constructor and Description | 
|---|
| IntegerStack() | 
| Modifier and Type | Method and Description | 
|---|---|
| boolean | isEmpty() | 
| java.lang.Integer | pop() | 
| void | push(java.lang.Integer x) | 
private final java.util.List<java.lang.Integer> l
public IntegerStack()