first commit

MathClassTest.java

@@ -0,0 +1,62 @@
+import java.util.ArrayList;
+
+class Scratch {
+    public static void main(String[] args) {
+         //double x = 10;
+         //double y = 20;
+         //double z = x+y;
+
+         // Array
+         String[] noobs = {"Ggsleeb", "Glabnab", "Galanbees","Gegelfar","Gighalara"};
+            System.out.println("The element is " +noobs[0]); //start from 0 :D
+
+        //Print Array with foreach
+        for (String x : noobs)
+        {
+            System.out.println(x);
+        }
+
+        //2D arrays POG
+        String[] [] noobs2 = new String [3][3];
+        noobs2[0][0]= "Roosya";
+        noobs2[0][1]= "GGsya";
+        noobs2[0][2]= "Glabnab";
+        noobs2[1][0]= "KhaledHn1";
+        noobs2[1][1]= "Embty";
+        noobs2[1][2]= "Noob";
+
+        //print 2D array with for loop :D
+
+        for(int i=0;i<noobs2.length;i++)
+        {
+            System.out.println();
+            for(int j=0; j< noobs2[i].length;j++)
+            {
+                System.out.print(noobs2[i][j]+" ");
+            }
+
+            //can also define 2D array like this
+
+            String[][] idots = {
+                                {"ex1","ex2","ex3"},
+                                {"ex4","ex5","ex6"},
+                                {"ex7","ex8","ex9"}
+                             };
+            //ArrayLists! They need not primitive data types
+            ArrayList<String> food = new ArrayList<String>();
+
+            food.add("Pasta");
+            food.add("Pizza");
+            food.add("Rice");
+
+            //print with for statement yes
+
+            for(int y=0;y<food.size();y++){
+                System.out.println(food.get(y));
+
+            }
+            //ArrayList.set(Position,"element") , ArrayList.clear exist too :D
+        }
+
+    }
+}