ExpressionsThing.java
package expressions;

public class ExpressionsThing {

//Lab 4 allows for the exploring the construction of arithmetic expressions in terms of simple problem solving
public static void main(String[] args) {

//Three related expressions
    double one = 3.14 * 5 + 5;             //does not follow order of operations without parentheses = 20.7//
    System.out.println("one = " + one);
    double two = 3.14 * (5 + 5);
    System.out.println("two = " + two);
    double three = (3.14 * (5 + 5));       // fully parenthesized expression
    System.out.println("three = " + three);

//Translating fully parenthesized arithmetic expressions from English
    int four = (2 * 3);
    System.out.println("four = " + four);
    double five = (55.0 / 2.0);
    System.out.println("five = " + five);
    double six = (65.0 / 3);
    System.out.println("six = " + six);
    double seven = ((55.0 / 2.0) + (65.0 / 3));
    System.out.println("seven = " + seven);

//Computations based on simple geometric/ algebraic conceptions
    double eight = (3.14 * (11.3 * 11.3));
    System.out.println("eight = " + eight);
    double nine = (27.7 * 27.7);
    System.out.println("nine = " + nine);
    double ten = (((3.14 * (11.3 * 11.3)) + (27.7 * 27.7)) / 2.0);
    System.out.println("ten = " + ten);
    double eleven = (243.5 * .17);
    System.out.println("eleven = " + eleven);

//Simple Computations to solve Crypto problems
    int twelve = (3 / 3);
    System.out.println("twelve = " + twelve);
    int thirteen = (7 - (4 + 2));
    System.out.println("thirteen = " + thirteen);
    int fourteen = ((9 + 3) - (7 + 1));
    System.out.println("fourteen = " + fourteen);
    int fifteen = (((6 / 2) + 8) - (4 + 2));
    System.out.println("fifteen = " + fifteen);
}
}