ProblemArticles
package org.jos.util;
/** A simple class that stores a version info (major, minor, bugfix), e.g.
* 1.0.2, 1.1.4 or 3.4.10
*
* @author StefanReich
* @version 28-Mar-98
*/
public final class Version {
private int major, minor, bugfix;
public Version(int major, int minor) {
this.major = major;
this.minor = minor;
this.bugfix = 1;
}
public Version(int major, int minor, int bugfix) {
this.major = major;
this.minor = minor;
this.bugfix = bugfix;
}
public boolean isNewerThan(Version v) {
return major > v.major || (major == v.major &&
(minor > v.minor || (minor == v.minor &&
bugfix > v.bugfix)));
}
public boolean isNewerThanOrEqualTo(Version v) {
return major > v.major || (major == v.major &&
(minor > v.minor || (minor == v.minor &&
bugfix >= v.bugfix)));
}
public boolean equals(Object o) {
if (!(o instanceof Version)) return false;
Version v = (Version) o;
return major == v.major && minor == v.minor && bugfix == v.bugfix;
}
public int hashCode() {
return major ^ (minor << 4) ^ (bugfix << 8);
}
public String toString() {
return major+"."+minor+"."+bugfix;
}
}
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