```
public class StackContents
extends Object
```
A simplified stack implementation that allows to store integer values.

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`peek()`
`@Nullable StackContents`	`pop()`
`StackContents`	`push(int elem)`
`static StackContents`	`push(int elem, @Nullable StackContents rest)`

public StackContents(int topElem,
                     @Nullable StackContents rest)

public StackContents push(int elem)

public static StackContents push(int elem,
                                 @Nullable StackContents rest)

Constructor	Description
`StackContents(int topElem)`
`StackContents(int topElem, @Nullable StackContents rest)`

Class StackContents