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@@ -21,6 +21,7 @@ Loop Control:
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- Update
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for the amount of times in the length of the animalCount array, add the animalCount\[i] to the sum.
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#### Example 2:
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```java
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@@ -47,4 +48,3 @@ i = 2, j = 1, 2, 3, 4 | 2, 4, 6, 8
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i = 3, j = 1, 2, 3, 4 | 3, 6, 9, 12
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- \\t represents a TAB character.
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@@ -13,5 +13,3 @@
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- Value is lost when call completed
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- Lifetime of an objects field variable is the lifetime of the object itself
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- Accessor method allows access to the value of a field without changing the state of an object
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@@ -59,22 +59,28 @@ boolean iPositive = i>0; //TRUE
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### Object and Memory Diagrams
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- null = nothing
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```java
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Account account;
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```
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- This causes a memory location to be reserved for account.
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```java
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account = new Account(100);
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```
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- This causes account to be instantiated with a balance of 100
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```java
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Account account;
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account = new Account(250);
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account = new Account(700);
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```
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- After declaration and execution of the first assignment, the state of the memory diagram is:
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- Account => Account (Balance = 250) => Account ~~(Balance 250)~~ (Balance 700).
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- This is an example of Garbage Collection.
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- Read up to w5 slide 39.
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Next homework next Wednesday. Based mainly on Homework 1.
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Next homework next Wednesday. Based mainly on Homework 1.
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@@ -1,9 +1,11 @@
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## Lecture 2 (14:00)
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### Sequential Execution
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- Code usually executed in logical order.
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- One exception is calling methods from other methods
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ex.
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```java
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public void moveHorizontal( int distance )
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{
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@@ -12,4 +14,3 @@ public void moveHorizontal( int distance )
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draw();
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}
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```
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@@ -6,9 +6,11 @@ Do not need to specify a size when we create a collection.
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Add as many items without concern for space.
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### ArrayList
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- Imported from java.util
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-
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### ArrayList Methods
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- get()
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- remove()
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