//<applet code = height=100 width=130>
// </applet>
import .*;
import ;
public class SmileFace extends Applet{ //一个Applet
public void paint(Graphics g) {
();
(35, 15, 50, 50); // head
();
(50, 30, 5, 5); // left eye
(65, 30, 5, 5); // right eye
(50, 40, 20, 10, 190, 160); // smile
}
}
(3)
public class FunnyNumbers
{ public static void main(String args[])
{ double largeNum = (int)();
double posDivZero = ;
double negDivZero = - / ;
double zeroDivZero = ;
(largeNum);
(posDivZero);
(negDivZero);
(zeroDivZero);
double x=largeNum+posDivZero;
double y=largeNum+negDivZero;
double z=largeNum+zeroDivZero;
("x="+x);
("y="+y);
("z="+z);
}
}
public class IncDecTest
{ public static void main(String args[])
{ int j, k;
("第一组:");
k = 1; j = k++;
(j);
(k);
("第二组:");
k = 1; j = ++k;
(j);
(k);
("第三组:");
k = 1;
(k++);
(++k);
(k--);
(k);
}
}
if (score >= 90)
("Letter grade: A");
else if (score >= )
("Letter grade: B");
else if (score >= )
("Letter grade: C");
else if (score >= )
("Letter grade D");
else
("Letter grade: F");
switch (grade)
{ case 'A': case 'a': ("90分或更好");
break;
case 'B': case 'b': ("");
break;
case 'C': case 'c': ("");
break;
case 'D': case 'd':
case 'F': case 'f
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