File list (Check if you may need any files):
StrategyDemo\.classpath
............\.project
............\org\jzkangta\strategy\Calc.class
............\...\........\........\Calc.java
............\...\........\........\Test.class
............\...\........\........\Test.java
............\...\........\........02\Add.class
............\...\........\..........\Add.java
............\...\........\..........\Calc.class
............\...\........\..........\Calc.java
............\...\........\..........\Cheng.class
............\...\........\..........\Cheng.java
............\...\........\..........\Chu.class
............\...\........\..........\Chu.java
............\...\........\..........\Jian.class
............\...\........\..........\Jian.java
............\...\........\..........\Operation.class
............\...\........\..........\Operation.java
............\...\........\..........\Test.class
............\...\........\..........\Test.java
............\...\........\strategy
............\...\........\strategy02
............\...\jzkangta
............\org
StrategyDemo