Hey.java

import java.util.Scanner;

public class Hey {
  public static void main(String[] args) {
    String[] months = {"January","Feburary","March","April","May","June","July","August","September","October","Novenber","December"};
    System.out.println(months[(int)(Math.random()*12)]);
  }
}

Heyy.java

import java.util.Scanner;

public class Heyy {
  public static void main(String[] args) {
    int[] inputs = new int[3];
    int[] lott = new int[3];
    for (int i = 0; i < 3; i++) {
      lott[i] = (int)(Math.random() * 10);
    }
    System.out.println("Please input three number to play the lottery: ");
    Scanner s = new Scanner(System.in);

    for (int i = 0; i < 3; i++) {
      inputs[i] = s.nextInt();
    }

    int matchs = 0;
    for (int i = 0; i < 3; i++) {
      if (inputs[i] == lott[0] || inputs[i] == lott[1] || inputs[i] == lott[2]) {
        matchs += 1;
      }
    }
    System.out.println(lott[0]);
    System.out.println(lott[1]);
    System.out.println(lott[2]);
    if (inputs[0] == lott[0] && inputs[1] == lott[1] && inputs[2] == lott[2]) {
      System.out.println("You win $12000 dollars.");
    } else {
      if (matchs == 3) {
        System.out.println("You win $5000 dollars.");
      } else if (matchs == 2) {
        System.out.println("You win $2000 dollars.");
      } else if (matchs == 1) {
        System.out.println("You win $2000 dollars.");
      } else {
        System.out.println("You lose.");
      }
    }
  }
}

Heyyy.java

import java.util.Scanner;

public class Heyyy {
  public static void main(String[] args) {
    System.out.println("Enter x, y: ");
    Scanner s = new Scanner(System.in);
    int x = s.nextInt();
    int y = s.nextInt();

    if ( (x-1) * (y-1) > 100) {
      System.out.println("outside circle.");
    } else {
      System.out.println("inside circle.");
    }
  }
}

Heyyyy.java

import java.util.Scanner;

public class Heyyyy {
  public static void main(String[] args) {
    System.out.println("first rec is always larger then second one.");
    System.out.println("Enter first x, y, w, h: ");
    Scanner s = new Scanner(System.in);
    int x1 = s.nextInt();
    int y1 = s.nextInt();
    int w1 = s.nextInt();
    int h1 = s.nextInt();

    System.out.println("Enter second x, y, w, h: ");
    s = new Scanner(System.in);
    int x2 = s.nextInt();
    int y2 = s.nextInt();
    int w2 = s.nextInt();
    int h2 = s.nextInt();

    if (Math.abs(x1-x2) >= Math.abs(w1+w2) || Math.abs(y1-y2) >= Math.abs(h1+h2)) {
      System.out.println("outside rec");
    } else if ((Math.abs(x1-x2)+w1 <= Math.abs(w1)) && (Math.abs(y1-y2)+h1 <= Math.abs(h1))) {
      System.out.println("inside rec");
    } else {
      System.out.println("overlap rec");
    }
  }
}