1.
package chapter2;
public class set {
public static void main(String[] args) {
int c;
int a = 1;
int b = 2;
c = a;
a = b;
b = c;
System.out.println("a=" + a + "
b=" + b);
}
}
2.
package chapter2;
public class set {
public static void main(String[] args) {
int a = 345, sum;
int b, c, d, e;
b = a / 1000;
c = a/ 100 % 10;
d = a % 100 / 10;
e = a % 10;
sum = b + c+ d + e;
System.out.println( "输出的值为" +sum);
}
}
3.
package chapter2;
public class set {
public static void main(String[] args) {
// TODO Auto-generated method stub
float huashi = 666, sheshi;
sheshi = ((huashi - 32) * 5) / 9;
huashi = ((sheshi * 9) / 5) + 32;
System.out.println("摄氏度:" + sheshi);
System.out.println("华氏度:" + huashi);
}
}
4.
package chapter2;
public class set {
public static void main(String[] args) {
// TODO Auto-generated method stub
char f = 'A'+32;
System.out.println("小写为"+f);
}
}
