Progress

Author: csev

.gitignore

@@ -3,6 +3,8 @@ a.out
 *.o
 *.s
 *.bak
+*.jar
+*.class
 .DS_Store
 cc4e-private
 jail

lectures/code/Point.java

@@ -0,0 +1,18 @@
+import java.lang.Math;
+
+public class Point {
+   double x,y;
+
+   Point(double x, double y) {
+	   this.x = x;
+	   this.y = y;
+   }
+
+   void dump() {
+	   System.out.println(this+" x="+this.x+" y="+this.y);
+   }
+
+   double origin() {
+        return Math.sqrt(this.x*this.x+this.y*this.y);
+	}
+}

lectures/code/cc_03_01.java

@@ -0,0 +1,12 @@
+public class cc_03_01 {
+
+    public static void main(String[] args)
+    {   
+		System.out.println("In Main");
+		Point pt = new Point(4.0, 5.0);
+		pt.dump();
+		System.out.println("Origin "+pt.origin());
+    }
+}
+
+// javac Point.java ; javac cc_03_01.java ; java cc_03_01

lectures/code/cc_03_02.c

@@ -2,12 +2,6 @@
 #include <stdlib.h>
 #include <math.h>
 
-struct point
-{
-    double x;
-    double y;
-};
-
 struct PointStruct {
     double x;
     double y;

lectures/code/cc_03_03.py

@@ -11,7 +11,8 @@ def __init__(self, x, y):
         self.y = y
 
     def dump(self):
-        print('Object %s@%x x=%f y=%f' % (self.label, id(self),self.x,self.y))
+        print('Object %s@%x x=%f y=%f' 
+              % (self.label, id(self),self.x,self.y))
 
     def origin(self):
         return math.sqrt(self.x*self.x+self.y*self.y)
@@ -21,5 +22,8 @@ def origin(self):
 PointClass.dump(pt)
 print('Origin',pt.origin())
 
+PointClass.label = "dot"
+PointClass.dump(pt)
+
 del(pt)