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Lab_Report_2.md

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CSE15L_Lab_Report2

First Code Changes

Screenshot of the code change

First Changes

Link to the test file

testImage.md

The Symptom

Expect output:

angeliaz@MacBook-Pro markdown-parser % javac MarkdownParse.java
angeliaz@MacBook-Pro markdown-parser % java MarkdownParse testImage.md
[]

Actual output before make changes:

angeliaz@MacBook-Pro markdown-parser % javac MarkdownParse.java
angeliaz@MacBook-Pro markdown-parser % java MarkdownParse testImage.md
[sunset.jpg]

Description

Before the change, the code cannot test the image while it's in the test file. The image is not a link so we are supposed to not show it in the output. I add a if condition to check if the targeted link is an iamge.

Second Code Changes

Screenshot of the code change

Second Changes

Link to the test file

testParen.md

The Symptom

Expect output:

angeliaz@MacBook-Pro markdown-parser % javac MarkdownParse.java       
angeliaz@MacBook-Pro markdown-parser % java MarkdownParse testParen.md
[https://angeliazddl.github.io/markdown-parser/]

Actual output:

angeliaz@MacBook-Pro markdown-parser % javac MarkdownParse.java       
angeliaz@MacBook-Pro markdown-parser % java MarkdownParse testParen.md
[, https://angeliazddl.github.io/markdown-parser/]

Description

Before the change, the code cannot skip the empty links since there's no condition to check if the parens have anything inside. Then it will add a null in the list, showing a comma before the actual link but we only want to the actual link. Then I add a if condition to check if the link is empty, which means nothing in parens. If not, nothing will be added to the list.

Third Code Changes

Screenshot of the code change

Third Change

Link to the test file

testBracket.md

The Symptom

Expect output:

angeliaz@MacBook-Pro markdown-parser % javac MarkdownParse.java       
angeliaz@MacBook-Pro markdown-parser % java MarkdownParse testBracket.md
[https://angeliazddl.github.io/markdown-parser/]

Actual output:

angeliaz@MacBook-Pro markdown-parser % javac MarkdownParse.java       
angeliaz@MacBook-Pro markdown-parser % java MarkdownParse testBracket.md
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
        at java.base/java.lang.StringLatin1.newString(StringLatin1.java:766)
        at java.base/java.lang.String.substring(String.java:2708)
        at MarkdownParse.getLinks(MarkdownParse.java:19)
        at MarkdownParse.main(MarkdownParse.java:30)

Description

Before the change, the code will run an error if there is an open bracket following the link without a close one since the while loop will keep looking for a close bracket and then go into an infinite loop, which causes the error--out of memory. To fix this error and return the links in the output, I add a if condition to check if there is a close bracket following the open bracket. If not, break the while loop and return the links before this open bracket.

Thank you

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