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Mark argument to equals as nullable #4823

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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
*/
package org.springframework.batch.core;

import org.jspecify.annotations.Nullable;
import org.springframework.util.StringUtils;

import java.io.PrintWriter;
Expand Down Expand Up @@ -198,7 +199,7 @@ public String toString() {
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
public boolean equals(@Nullable Object obj) {
if (obj == null) {
return false;
}
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