diff options
Diffstat (limited to 'website2/usageExamples/EqualsAndHashCodeExample_post.jpage')
-rw-r--r-- | website2/usageExamples/EqualsAndHashCodeExample_post.jpage | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/website2/usageExamples/EqualsAndHashCodeExample_post.jpage b/website2/usageExamples/EqualsAndHashCodeExample_post.jpage deleted file mode 100644 index 91e78250..00000000 --- a/website2/usageExamples/EqualsAndHashCodeExample_post.jpage +++ /dev/null @@ -1,72 +0,0 @@ -import java.util.Arrays; - -public class EqualsAndHashCodeExample { - private transient int transientVar = 10; - private String name; - private double score; - private Shape shape = new Square(5, 10); - private String[] tags; - private int id; - - public String getName() { - return this.name; - } - - @Override public boolean equals(Object o) { - if (o == this) return true; - if (!(o instanceof EqualsAndHashCodeExample)) return false; - EqualsAndHashCodeExample other = (EqualsAndHashCodeExample) o; - if (!other.canEqual((Object)this)) return false; - if (this.getName() == null ? other.getName() != null : !this.getName().equals(other.getName())) return false; - if (Double.compare(this.score, other.score) != 0) return false; - if (!Arrays.deepEquals(this.tags, other.tags)) return false; - return true; - } - - @Override public int hashCode() { - final int PRIME = 59; - int result = 1; - final long temp1 = Double.doubleToLongBits(this.score); - result = (result*PRIME) + (this.name == null ? 43 : this.name.hashCode()); - result = (result*PRIME) + (int)(temp1 ^ (temp1 >>> 32)); - result = (result*PRIME) + Arrays.deepHashCode(this.tags); - return result; - } - - protected boolean canEqual(Object other) { - return other instanceof EqualsAndHashCodeExample; - } - - public static class Square extends Shape { - private final int width, height; - - public Square(int width, int height) { - this.width = width; - this.height = height; - } - - @Override public boolean equals(Object o) { - if (o == this) return true; - if (!(o instanceof Square)) return false; - Square other = (Square) o; - if (!other.canEqual((Object)this)) return false; - if (!super.equals(o)) return false; - if (this.width != other.width) return false; - if (this.height != other.height) return false; - return true; - } - - @Override public int hashCode() { - final int PRIME = 59; - int result = 1; - result = (result*PRIME) + super.hashCode(); - result = (result*PRIME) + this.width; - result = (result*PRIME) + this.height; - return result; - } - - protected boolean canEqual(Object other) { - return other instanceof Square; - } - } -} |