第一次上机作业3月19日

1.

package demo1;

public class d1 {

public static void main(String[] args) {
// TODO Auto-generated method stub
int a=6,b=9;
int c=a;
a=b;
b=c;
System.out.println("a="+a+"b="+b);
}

}

2.

package demo1;

public class d1 {

public static void main(String[] args) {
// TODO Auto-generated method stub
int a=857;
int bai;
int shi;
int ge;
bai=(a%10);
shi=(a/10%10);
ge=(a/100);
System.out.println("bai="+bai);
System.out.println("shi="+shi);
System.out.println("ge="+ge);
System.err.println(bai+shi+ge);
}

}

3.

package demo1;

public class d1 {

public static void main(String[] args) {
// TODO Auto-generated method stub
int H=55;

int C=36;

int D;

int G;
D=(H-32)*5/9;

H=D;

G=C*9/5+32;

C=G;

System.out.println(D);

System.out.println(G);
}

}

 4.

package demo1;

public class d1 {

public static void main(String[] args) {
// TODO Auto-generated method stub
// a=97 A=65
char c='G';
System.out.println((char)(c+32));
}
}