Only one of Object.equals and Object.hashCode overriden

Problems found in Java source code.

package java.awt.font:

java/awt/font/TextLine.java 852 Only one of Object.equals and Object.hashCode overriden: missing 'equals'

package java.awt.image:

java/awt/image/ComponentColorModel.java 2919 Only one of Object.equals and Object.hashCode overriden: missing 'hashCode'
java/awt/image/PackedColorModel.java 374 Only one of Object.equals and Object.hashCode overriden: missing 'hashCode'
java/awt/image/PixelInterleavedSampleModel.java 150 Only one of Object.equals and Object.hashCode overriden: missing 'equals'
java/awt/image/BandedSampleModel.java 818 Only one of Object.equals and Object.hashCode overriden: missing 'equals'

package javax.print.attribute:

javax/print/attribute/EnumSyntax.java 132 Only one of Object.equals and Object.hashCode overriden: missing 'equals'

package sun.print:

sun/print/SunAlternateMedia.java 48 Only one of Object.equals and Object.hashCode overriden: missing 'equals'

Total : 7 issues.