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Title: Java hashCode() and equals() Methods - HowToDoInJava

Open Graph Title: Java hashCode() and equals() Methods - HowToDoInJava

Description: Java hashCode() and equals() methods. Learn contract between hashCode and equals methods. How to correctly override both methods and best practices.

Open Graph Description: Java hashCode() and equals() methods. Learn contract between hashCode and equals methods. How to correctly override both methods and best practices.

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hashCode()https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html#hashCode%28%29
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https://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#1-the-hashcode-and-equals-methods
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https://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#4-generating-hashcode-and-equals-in-eclipse-ide
https://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#5-best-practices-to-follow
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1. The hashCode() and equals() Methodshttps://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#1-the-hashcode-and-equals-methods
1.1. Contract between hashCode() and equals()https://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#11-contract-between-hashcode-and-equals
2. Overriding the Default Behaviorhttps://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#2-overriding-the-default-behavior
2.1. The Default Behaviorhttps://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#21-the-default-behavior
2.2. Overriding only equals()https://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#22-overriding-only-equals
2.3. Overriding hashCode() is Also Necessaryhttps://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#23-overriding-hashcode-is-also-necessary
3. EqualsBuilder and HashCodeBuilderhttps://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#3-equalsbuilder-and-hashcodebuilder
4. Generating hashCode() and equals() in Eclipse IDEhttps://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#4-generating-hashcode-and-equals-in-eclipse-ide
5. Best Practices to Followhttps://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#5-best-practices-to-follow
6. Special Attention When Declared in an JPA Entityhttps://howtodoinjava.com/java/basics/java-hashcode-equals-methods/#6-special-attention-when-declared-in-an-jpa-entity
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