java - 包不存在，需要

Question

我有一个类:

public class TypeOfCompressDTO {

    private int typeOfCompressId;
    private String typeOfCompress;

    public TypeOfCompressDTO() {
    }

    public TypeOfCompressDTO(int typeOfCompressId, String typeOfCompress) {
        this.typeOfCompressId = typeOfCompressId;
        this.typeOfCompress = typeOfCompress;
    }

    public int getTypeOfCompressId() {
        return typeOfCompressId;
    }

    public void setTypeOfCompressId(int typeOfCompressId) {
        this.typeOfCompressId = typeOfCompressId;
    }

    public String getTypeOfCompress() {
        return typeOfCompress;
    }

    public void setTypeOfCompress(String typeOfCompress) {
        this.typeOfCompress = typeOfCompress;
    }

}

和

@SuppressWarnings("serial")
public class FmCompressComposer  extends BaseCustomComposer<FmCompressService, FmCompressDTO>{

    Window wdwFmCompress;

    //public ListModelList<TypeOfCompressDTO> listTypeOfProcess = new ListModelList();
    List<TypeOfCompressDTO> lstTypeOfCompress = new ArrayList<TypeOfCompressDTO>();
    TypeOfCompressDTO assssa = new TypeOfCompressDTO(3, "abc");
    lstTypeOfCompress.add(assssa);
    TypeOfCompressDTO g = new TypeOfCompressDTO(23, "axbc");  

//    public ListModel<TypeOfCompress> getListTypeOfProcess() {
//        return listTypeOfProcess;
//    }

    @Override
    protected Logger getLogger() {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    protected Window getWindow() {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    protected Listbox getGridData() {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    protected String getArgDTOKey() {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    protected void buildSearchObject() {
        throw new UnsupportedOperationException("Not supported yet.");
    }
}

在这一行:

lstTypeOfCompress.add(assssa);

在类 FmCompressComposer 中，Netbeans 7.x 注意到:

package lstTypeOfCompress does not exist expected

expected

(Alt-Enter shows hints)

我不明白发生了什么，看起来很奇怪。请解释并帮助我纠正上面的代码片段。

Answer 1

lstTypeOfCompress.add(assssa);

这是一个语句/表达式。它应该位于 be 方法/构造函数内。您只能声明成员并初始化它们。但你正在执行不允许的操作。

通过查看您的代码，我认为您应该定义一个构造函数来初始化类的成员，并且您也可以在列表中添加数据。