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import java.awt.*;
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{
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{
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int windowHeight = frame.getHeight(); //»ñµÃ´°¿Ú¸ß
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int screenWidth = screenSize.width; //»ñÈ¡ÆÁÄ»µÄ¿í
int screenHeight = screenSize.height; //»ñÈ¡ÆÁÄ»µÄ¸ß
frame.setLocation(screenWidth/2-windowWidth/2, screenHeight/2-windowHeight/2);//ÉèÖô°¿Ú¾ÓÖÐÏÔʾ
//------------------------------------------------------------------------------------------------
}
}
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public static boolean isEmail(String str)
{
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public class Student {
private Integer id;
private String name;
private Integer age;
private String classes;
public Integer getId() {
return id;
}
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