cheat.java

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Stack;

// This class is just a random class which act as cheat code for Java.
// I am more comfortable with Ruby thats why it exists only for Java.
public class cheat {

    public void array(){
        int[] myArray = new int[5]; // this defines a constant size array.
        int i = 0;


    }

    public void math(){
        Math.abs(-1);
    }

    public void stack(){
        Stack<Integer> stack = new Stack<>();

    }

    public void hashmap(){
        HashMap<Integer, Integer> map = new HashMap<>();

        for ( Integer key : map.keySet() ) {

        }

        for (Map.Entry<Integer, Integer> entry : map.entrySet() ) {
            entry.getKey();
            entry.getValue();
        }
    }

    public void set(){
        HashSet<Integer> set = new HashSet<>();
    }

    public void loop(){

    }
}