保护壳使用多种反追踪技术防止程序被调试和反编译,如UPX、PECompat和ASPack等。
保护壳使用多种反追踪技术防止程序被调试和反编译,如UPX、PECompat和ASPack等。
相关考题:
下面是一个Applet程序,实现实心或者空心矩形的绘制。要求鼠标在Applet窗口中拖动实现矩形的绘制,可以选择填充或者空心,有按钮用来清空窗口中的图像。请改正程序中的错误(有下划线的语句),使程序能输出正确的结果。注意:不改动程序的结构,不得增行或删行。程序运行结果如下:import java.awt.*;import java.applet.*;/*<applet code="ex13_3.class" width=800 height=400 ></applet>*/public class ex13_3 extends Applet{private Button btnClear;private CheckboxGroup cbg;private Checkbox chk1, chk2;private int upX, upY;private int downX, downY;private boolean bDraw, bClear, bStyle;public void init(){bDraw = false;bClear = false;bStyle. = false;setLayout(null);cbg = new CheckboxGroup();chk1 = new Checkbox("Hollow", cbg, true);chk2 = new Checkbox("Filled", cbg, false);chk1.reshape(80,getSize().height-80,80,25);chk2.reshape(160,getSize().height-80,80,25);add(chk1);add(chk2);btnClear = new Button("clear");btnClear.reshape(240,getSize().height-80,80,25);add(btnClear);}public void paint(Graphics g){if(bDraw){if(upX > downX upY > downY){if (bStyle)g. fillRect (downX, downY, upX - downX, upY - downY);elseg.drawRect(downX, downY, upX - downX, upY - downY);}else if(upX > downX upY < downY){if(bStyle)g.fillRect(downX, upY, upX - downX, downy - upY);elseg.drawRect(downX, upY, upX - downX, downy - upY);}else if(upX < downX upY > downY){if(bStyle)g.fillRect(upX, downY, downX - upX, upY - downY);elseg.drawRect(upX, downY, downX - upX, upY - downY);}else if(upX < downX upY < downY){if(bStyle)g.fillRect(upX, upY, downX - upX, downy - upY);elseg.drawRect(upX, upY, downX - upX, downy - upY);}bDraw = false;}if(bClear)(g.clearRect(0,0, getSize().height, getSize().width);b
多选题核材料和核设施实物保护,是指()的保护措施和技术,简称实物保护。A防止核材料被盗B防止核材料被非法转移C防止核材料被非法使用D防止核设施被破坏E保证核设施正常运行