Memory Monitor Workflow

Quote | June 5, 2017August 3, 2017 | Gina

To profile and optimize memory use, the typical workflow is to run your app and do the following:

Profile the app using the Memory Monitor to find out whether undesirable garbage collection event patterns might be causing performance problems.
If you see many garbage collection events in a short amount of time, dump the Java heap to identify candidate object types that get or stay allocated unexpectedly or unnecessarily.
Start allocation tracking to determine where any problems are happening in your code.

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Array Implementation of Queue (Fixed size)

April 13, 2017August 3, 2017 | Gina

github:arrayQueue.java.

Purpose:

reuse a fixed size array. —-> Tracking 2 variables frontIndex for deletion and rearIndex for insertion.

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Implement Queue using Stacks

April 5, 2017August 4, 2017 | Gina

github: ImplementQueueusingStacks.java

Using 2 stacks- s1 and s2 to implement a queue.

Purpose: keep the input on the bottom of s1
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Palindrome Checker

March 26, 2017August 3, 2017 | Gina

github: Palindrome.java

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OOP concepts

March 21, 2017August 3, 2017 | Gina

Four fundamental OOP concepts:

1. Inheritance

Inheritance can be defined as the process where one class acquires the properties (methods and fields) of another. With the use of inheritance the information is made manageable in a hierarchical order.

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Reverse String

March 21, 2017April 7, 2017 | Gina

#1- For loop:

Screen Shot 2017-03-28 at 1.15.27 PM

#2- Iterative Swapping Using Two Pointers

Reference: https://www.ratchapong.com/algorithm-practice/leetcode/reverse-string

Screen Shot 2017-03-28 at 1.17.28 PM.png

Nested classes

March 7, 2017April 7, 2017 | Gina

Nested classes

static nested classes
inner classes

class OuterClass {
    ...
    static class StaticNestedClass {
        ...
    }
    class InnerClass {
        ...
    }
}

Gina Hsu

A software engineer

Memory Monitor Workflow

Array Implementation of Queue (Fixed size)

Purpose:

Implement Queue using Stacks

Palindrome Checker

OOP concepts

Four fundamental OOP concepts:

1. Inheritance

Reverse String

#1- For loop:

#2- Iterative Swapping Using Two Pointers

Nested classes