import com.sun.xml.internal.bind.v2.model.core.ErrorHandler; //导入依赖的package包/类
public void setErrorHandler(ErrorHandler errorHandler) {
    if(errorHandler==null)
        throw new IllegalArgumentException();
    this.errorHandler = errorHandler;
}
 

import com.sun.xml.internal.bind.v2.model.core.ErrorHandler; //导入依赖的package包/类
/**
 * Always return a non-null valid {@link ErrorHandler}
 */
public final ErrorHandler getErrorHandler() {
    assert errorHandler!=null : "error handler must be set before use";
    return errorHandler;
}
 

import com.sun.xml.internal.bind.v2.model.core.ErrorHandler; //导入依赖的package包/类
/**
 * Sets the error handler that receives errors found
 * during reading annotations.
 *
 * @param errorHandler
 *      must not be null.
 */
void setErrorHandler(ErrorHandler errorHandler);
 

import com.sun.xml.internal.bind.v2.model.core.ErrorHandler; //导入依赖的package包/类
/**
 * Sets the error handler that receives errors discovered during the model building.
 *
 * @param errorHandler
 *      can be null.
 */
public void setErrorHandler(ErrorHandler errorHandler) {
    this.errorHandler = errorHandler;
}