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1classTestOuter2{2staticintdata=30;3staticclassInner{4staticvoidmsg(){System.out.println("data is "+data);}5}6publicstaticvoidmain(String args[]){7TestOuter2.Inner.msg();//no need to create the instance of static nested class8}9} Output:data is 30 以上是关于Java 中 static 关键字的...
pbm_dwnbacktabout 即将通过Shift+Tab组合键离开该控件。 pbm_dwnchanging 控件即将被改变。 pbm_dwndropdown 下拉式列表框的下拉部分即将可见。 pbm_dwngraphcreate 即将创建图形。 pbm_dwnitemchangefocus 数据窗口控件中当前项的聚焦改变。 pbm_dwnitemvalidationerror 对当前项的修改引起了一个合法性检查错误。 pbm...
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The Java class named StudentEntity. package com.javatpoint.jpa.student; import javax.persistence.*; @Entity @Table(name="student") public class StudentEntity { @Id private int s_id; private String s_name; private int s_age; public StudentEntity(int s_id, String s_name, int s_age) {...