package doom;
import java.rmi.server.SocketSecurityException;
public class firsttest {
public static void main(String[] args) {
// TODO Auto-generated method stub
int a =1;
int b =3;
int c =0;
c=a;
a=b;
b=c;
System.out.println(a);
System.out.println(b);
}
}
package doom;
public class firsttest2 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int a = 1000;
int ge = a%10;
int shi = a/100%10;
int bai = a/10%100;
int qian = a/1000;
int he = ge+shi+bai+qian;
System.out.println(ge);
System.out.println(shi);
System.out.println(bai);
System.out.println(qian);
System.out.println(he);
}
}
package doom;
public class firsttest3 {
public static void main(String[] args) {
// TODO Auto-generated method stub
double a = 95;//华氏温度
double b = 36;//摄氏温度
double c = (a-32)*5/9;
double d = b*9/5+32;
System.out.println(c);
System.out.println(d);
}
}
package doom;
public class firsttest4 {
public static void main(String[] args) {
// TODO Auto-generated method stub
char a = 'A'+32;
System.out.println(a);
}
}