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+# Class 1 notes
+
+# Array Review
+
+## What is an Array:
+- An (reference) object used to store a **list** of values
+- A **contiguous** block of memory is used to store the values.
+- Each **cell** holds a value
+- All the values are the same **type**
+- It can store all kinds of data, `int`, `double`, `object`, etc, the type stored can be primitive (`int`) or reference (`object`)
+
+## Example
+
+<table>
+<tr>
+<th>index</th>
+<td>0</td>
+<td>1</td>
+<td>2</td>
+<td>3</td>
+<td>4</td>
+<td>5</td>
+<td>6</td>
+<td>7</td>
+</tr>
+<tr>
+<th>value</th>
+<td>80</td>
+<td>120</td>
+<td>103</td>
+<td>138</td>
+<td>94</td>
+<td>109</td>
+<td>83</td>
+<td>117</td>
+</tr>
+</table>
+