불필요한 코딩을 줄이자 commons-lang을 사용하자

https://www.ibm.com/developerworks/kr/library/tutorial/j-lessismore/index.html
@Override public boolean equals(Object obj) { return EqualsBuilder.reflectionEquals(this, obj); } @Override public int hashCode() { return HashCodeBuilder.reflectionHashCode(this); } @Override public String toString() { return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE); }

<!-- Apache Comoons --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.1</version> </dependency>