» CS 145 Lecture 1

CS 145 Lecture 1

September 9, 2011 by Chris Johnson. Filed under cs145, fall 2011, lectures.

Topics Covered

Hi
Computer science is the study of process
Variables
Assignment operator
Arithmetic operators

Code

MathFun.java

package lecture;

public class MathFun {
  public static void main(String[] args) {
    System.out.println(5 + 5);
    System.out.println(5 - 100);
    System.out.println(5 * 100);
    System.out.println(5 / 100);

    double taxRate = 0.055;
    double costOfPaulsBikeTire = 26.0;
    System.out.println(26 + 26 * 0.055);
    System.out.println(26 * 1.055);
    System.out.println(costOfPaulsBikeTire * (1 + taxRate));

    int nEggs = 237;
    int nCartons = nEggs / 12;
    System.out.println(nEggs);
    System.out.println(nCartons);

    int nClips = 22025;
    int nHours = 24;
    double hoursPerMinute = 1.0 / 60.0;
    double minutesPerSecond = 1.0 / 60.0;

    double clipsPerSixSeconds = nClips / nHours * hoursPerMinute * minutesPerSecond * 6;
  }
}

TODO

Make sure you have the right textbook.
Read sections 2.1 through 2.2.

Haiku

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