InputEqualsHashCodeEqualsParameter.java

package com.puppycrawl.tools.checkstyle.checks.coding.equalshashcode;

public class InputEqualsHashCodeEqualsParameter {
    public static class TestClass1 { // no violation
        public boolean equals(String o) {
            return true;
        }
    }
    public static class TestClass2 { // violation, no correct `equals`
        public int hashCode() {
            return 1;
        }
        public boolean equals(String o) {
            return true;
        }
    }
    public static class TestClass3 { // violation, no `hashCode`
        public boolean equals(Object o) {
            return true;
        }
        public boolean equals(String o) {
            return false;
        }
    }
    public static class TestClass4 { // no violation
        public int hashCode() {
            return 1;
        }
        public boolean equals(Object o) {
            return true;
        }
        public boolean equals(String o) {
            return false;
        }
    }
    public static class TestClass5 { // no violation
        public int hashCode() {
            return 1;
        }
        public boolean equals(java.lang.Object o) {
            return true;
        }
    }
    public static class TestClass6 { // violation, no `hashCode` implementation
        public static int hashCode(int i) {
            return 1;
        }
        public boolean equals(Object o) {
            return true;
        }
    }
    public static class TestClass7 { // violation, no `equals` implementation
        public int hashCode() {
            return 1;
        }
        public static boolean equals(Object o, Object o2) {
            return true;
        }
    }
    public static class TestClass8 { // no violation
        public native int hashCode();
        public native boolean equals(Object o);
    }
    public static class TestClass9 { // violation, no `equals` implementation
        public native int hashCode();
    }
    public static class TestClass10 { // violation, no `hashCode` implementation
        public native boolean equals(Object o);
    }
    public static abstract class TestClass11 { // no violation
        public abstract int hashCode();
        public abstract boolean equals(Object o);
    }
    public static abstract class TestClass12 { // violation, no `equals` implementation
        public int hashCode() {
            return 1;
        }
        public abstract boolean equals(Object o);
    }
    public static abstract class TestClass13 { // violation, no `hashCode` implementation
        public abstract int hashCode();
        public boolean equals(java.lang.Object o) {
            return true;
        }
    }
    public interface TestClass14 { // no violation
        public int hashCode();
        public boolean equals(Object o);
    }
    public interface TestClass15 { // no violation
        public boolean equals(Object o);
    }
    public interface TestClass16 { // no violation
        public int hashCode();
    }
}