This is the java programming and security to a number of small examples, but in English, I believe English is a definite basis for the same time would like to java programming understand safety beginners help

security1.2
...........\apisign
...........\.......\example-1dot2
...........\.......\.............\data
...........\.......\.............\GenSig.java
...........\.......\.............\VerSig.java
...........\toolfilex
...........\.........\example-1dot2
...........\.........\.............\contract
...........\toolsign
...........\........\example-1dot2
...........\........\.............\Count.java
...........\........\.............\data
...........\tour1
...........\.....\example-1dot2
...........\.....\.............\WriteFile.html
...........\.....\.............\WriteFile.java
...........\tour2
...........\.....\example-1dot2
...........\.....\.............\GetProps.java
...........\.....\.............\java.policy
...........\userperm
...........\........\example-1dot2
...........\........\.............\com
...........\........\.............\...\gamedev
...........\........\.............\...\.......\games
...........\........\.............\...\.......\.....\TerrysGame.java
...........\........\.............\...\scoredev
...........\........\.............\...\........\scores
...........\........\.............\...\........\......\HighScore.java
...........\........\.............\...\........\......\HighScorePermission.java
...........\........\.............\kim.policy

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