小编Dim*_*ras的帖子

你可以在下面运行并解释一下吗？

Object o = true ? new Integer(1) : new Double(2.0);
System.out.println(o);

我发现这令人惊讶,因为有人会期望1打印而不是1.0

谁看过这个吗？我最近在我的网络应用上看到了它。对我来说似乎有恶意吗？

拒绝执行脚本，https://p.adsymptotic.com/d/px/?_pid=16218&_psign=0aa5badf92527f7732e22463d6fa4dbc&coopa=0&gdpr=0&gdpr_consent=&_puuid=bdf06633-bba8-4be4-bfc9-874db632b7e9&_umid=b785f352df2e57e5171ecc189d20e5ab924667d8a8c12c888f53939c09ad8ca3因为其MIME类型（image/gif）无法执行。

我有以下父实体

@Entity
@Table(name = "EntityA", catalog = "mycatalog")
public class EntityA implements java.io.Serializable {

private int parentId;
private String a;
    private Set<EntityB> entityBs = new HashSet<entityB>(0);

public EntityA() {
}

public EntityA(int parentId) {
    this.parentId = parentId;
}

public EntityA(int parentId, String a) {
    this.parentId = parentId;
    this.a = a;
}

@Id
@Column(name = "PARENT_ID", unique = true, nullable = false)
public int getParentId() {
    return this.parentId;
}

public void setParentId(int parentId) {
    this.parentId = parentId;
}

@Column(name = "columnA", …