📄 syspropaction.java
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import java.security.*;/** This action looks up a system property.*/public class SysPropAction implements PrivilegedAction{ /** Constructs an action for looking up a given property. @param propertyName the property name (such as "user.home") */ public SysPropAction(String propertyName) { this.propertyName = propertyName; } public Object run() { return System.getProperty(propertyName); } private String propertyName;}
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