JAVA realize the picture with characters (numbers, Chinese characters, special characters, letters) Identification

Packet : 65520784discos-0.3-pre_alpha2489.zip filelist
discos-0.3-pre_alpha2489/
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/AskQuestion.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/characters.chr
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/characters.txt
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/DiscoS$1.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/DiscoS$2.class
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discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/DiscoS$5.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/DiscoS$6.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/DiscoS.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/DiscoS.java
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/allclasses-frame.html
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/allclasses-noframe.html
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/AskQuestion.html
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/constant-values.html
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discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/GetBlock.html
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discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/ListCharacter.html
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/overview-tree.html
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discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/serialized-form.html
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discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/stylesheet.css
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/doc/TextEditor.html
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/GetBlock.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/License.txt
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/ListCharacter.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/Readme.txt
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/ShowCharacterList$1.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/ShowCharacterList$2.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/ShowCharacterList.class
discos-0.3-pre_alpha2489/discos-0.3-pre_alpha/TextEditor.class
discos-0.3-pre_alpha2489/说明.txt

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