istack-commons.src.main.java.com.sun.istack.Nullable Maven / Gradle / Ivy
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Show all versions of ehcache Show documentation
Show all versions of ehcache Show documentation
Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
package com.sun.istack;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.annotation.ElementType;
/**
* Designates that a field, return value, argument, or a variable may be null.
*
* @author Kohsuke Kawaguchi
*/
@Documented
@Retention(RetentionPolicy.CLASS)
@Target({ElementType.FIELD,ElementType.METHOD,ElementType.PARAMETER,ElementType.LOCAL_VARIABLE})
public @interface Nullable {
}